FAO Agriculture Organization of the United Nations, Rome, Italy, pp 1–5 (1985). Aerobic Bacteria Involved in the Retting of Jute MOHAMMAD MYSER ALIL Departmtlent of Botany, University ofDacca, Dacca, East Pakistan Received for publication Juine 15, 1957 Jute, Corchorus capsularis, is the most important cash crop of Pakistan. Impact of conventional retting of jute (Corchorus spp.) Usually mature stems of harvested jute plants are allowed to ret in pond or ditch water. 0000008804 00000 n S ummary: A total of 1,438 colonies of aerobic and anaerobic bacteria has been isolated from samples of retted jute stems collected from 12 districts of East Pakistan. 2020 Oct 27;11:581664. doi: 10.3389/fgene.2020.581664. 0000009059 00000 n -. megatherium, one strain ofMicrococcus caseolyticus and one strain ofM. Retting time reduced from 18-22 days to 12-14 days with about 10% higher fibre recovery. 0000075853 00000 n Retting process is used for obtaining fibres from stems of flax, hemp, jute etc. cereus, one strain ofB. The optimum retti Complete removal of pectin and polysaccharide gummy materials are necessary to obtain good quality fibre keeping the natural strength of cellulose. Effects of selected pectinolytic bacterial strains on water-retting of hemp and fibre properties. 0000002368 00000 n 154 0 obj <> endobj 2003;6:686–687. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. Epub 2012 Nov 22. Yellow to red color indicates lowest to highest enzyme activity. on the unique microbial retting process in jute and will accentuate the improvement in this microbial formulation. USA.gov. The ‘Jute ICARE’ interventions have resulted in enhancing the quality and productivity of raw jute and increasing income of jute farmers by Rs 10,000 per hectare, it added. Detailed retting schematic for in situ microbial retting process is shown in Figure 14. 0000076285 00000 n 0000074606 00000 n Targeted Metagenomics of Retting in Flax: The Beginning of the Quest to Harness the Secret Powers of the Microbiota. Relative distribution of 14 species found in the 16S rRNA gene sequences analysis…, Comparison of mean pectinase, xylanase and cellulose activities of 10 representative individual isolates…, NLM It involves microbial decomposition of the unwanted material. Helicobactor pylori is a gram-negative bacteria that produces acetate. These bacteria primarily decompose the plant pectin thus, freeing the fibres. The authors declare no competing interests. For this reason jute is popularly called the "golden fiber" of Pakistan. Jute is an annual renewable fiber crops grown mainly in Bangladesh, India and other Asian countries. However, bacterial communities associated with the retting of jute are not well characterized. The genome sizes of these strains are ~3.8 Mb with 3729 to 4002 protein-coding … National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. Keywords: Jute retting, fibre, accelerated retting, quality fibre, microbial retting Jute, also known as Golden fiber, is an internationally traded major commodity originating primarily from two developing countries-Bangladesh and India. Mechano-microbial retting of jute involves two distinct operations viz. 2019 Jun 15;191(7):440. doi: 10.1007/s10661-019-7589-7. Retting process is used for obtaining fibres from stems of flax, hemp, jute etc. 0 They are possibly the world's largest source of lignocellulosic bast fibre which is extracted from plants by a natural microbial process known as retting. Heat map of liquid culture extra cellular pectinase, xylanase and cellulase activity of 144 isolates. 2010 Jan;108(1):194-203. doi: 10.1111/j.1365-2672.2009.04409.x. Three strains ofBacillus macerans, four strains ofB. However, under the mechano-microbial method, green bark containing the fiber bundles is extracted from jute stems by a mechanical device.  |  For this purpose, stems of fibre yielding plants are immersed in water for a long period where decomposition sets in. 16 s ribosomal gene sequencing analysis identified 2 phyla- Firmicutis (80.55%) and Proteobacteria (19.45%). Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. 2012 Dec 30;2013:186534. doi: 10.5402/2013/186534. See this image and copyright information in PMC. Linen most useful: perspectives on structure, chemistry, and enzymes for retting flax. 0000002470 00000 n eCollection 2020. 0000075446 00000 n 1996;21:71–80. To improve the conventional retting process in stagnant water, a microbial consortium trade marked as ‘CRIJAF Sona’ has been developed by ICAR-CRIJAF which reduced retting duration by 6 … Pakistan Journal of Biological Sciences. eCollection 2020. Neighbor-joining phylogenetic tree construction using 16S rRNA gene sequences by Mega 6.0. Dew The pectins are divided into three groups: (a) protopectins, (b) pectins, and(c)pectic acids. Retting of jute is done by Clostridium butyricum. 193 0 obj <>stream i. It is obtained from the bark of plant through microbial retting process. Microb. 0000079823 00000 n After 10 days of bacterial retting, the stalks were washed in hot water, air dried, combed, and subjected to tests for fiber characteristics. It is a gram-positive butyric acid producing bacteria. Front Nutr.  |  subtilis, three strains ofB. The repeated retting of jute and mesta in the stagnant water of same natural retting tank lead to the production of inferior quality fibre unless the tank is recharged with fresh water after each retting. luteus were isolated and their action on jute stems studied. HHS %%EOF Munshi TK, Chattoo BB. Quality Jute Fibre after microbial consortium retting More than 90% of jute growers ret the jute and mesta plants in stagnant water following conventional method of retting. luteus were isolated and their action on jute stems studied. It is obtained from the bark of plant through microbial retting process. on the environmental quality of water: a case study. 0000003171 00000 n For this purpose, stems of fibre yielding plants are immersed in water for long period where decomposition sets in. A total of 451 bacterial colonies have been isolated from five jute retting water samples in Bangladesh. 0000003807 00000 n They have been found to comprise 3 genera, Bacillus, Micrococcus, and Pseudomonas and 13 species. Heat map of liquid culture extra cellular pectinase, xylanase and cellulase activity of…, Neighbor-joining phylogenetic tree construction using…. Jute—an important cash crop of eastern India is traditionally grown for extraction of fibre by a natural microbial process known as retting. 0000075029 00000 n doi: 10.3923/pjbs.2003.686.687. 0000006412 00000 n It involves microbial decomposition of the unwanted material. Of these, 169 isolates have been purified and characterized. Would you like email updates of new search results? 0000000016 00000 n Clipboard, Search History, and several other advanced features are temporarily unavailable. 0000013682 00000 n 0000044810 00000 n Decorticated kenaf stalks were retted by bacterial and chemical processes. 0000007413 00000 n Mechanical Extraction of Fibre -. Three strains ofBacillus macerans, four strains ofB. Retting operation was carried out for varying time period namely 10, 15, 20, 25, 30 and 35 days respectively. To check the synergistic and antagonistic effect 10 selected isolates were tested in 167 different combinations. Among them, 144 isolates have been selected on the basis of extra cellular enzyme activity of these three enzymes. Basic methods include dew retting and water retting. 0000004250 00000 n Comparison of mean pectinase, xylanase and cellulose activities of 10 representative individual isolates with 3 selected bacterial consortia. Jute fibre is the second most important fibre next to cotton. Jute—an important cash crop of eastern India is traditionally grown for extraction of fibre by a natural microbial process known as retting. For example, the genes for degrading pectin, hemicellulose and other non-cellulosic materials can be altered for enhanced retting efficiency and … 0000069052 00000 n 0000001096 00000 n 154 40 subtilis, three strains ofB. During this process, some microorganisms decompose pectins of jute barkandthe intervening tissues disinte- grate. 0000007662 00000 n 0000004597 00000 n Retting operation was carried out for varying time period namely 10, 15, 20, 25, 30 and 35 days respectively. COVID-19 is an emerging, rapidly evolving situation. Jarman, C. G. The retting of Jute. 2020 Aug 6;7:117. doi: 10.3389/fnut.2020.00117. Research Journal of Microbiology. 0000012276 00000 n As the conventional whole plant retting does not suit the farmers in the water crisis situation, mechano-microbial retting technology has been developed which needs some more studies for commercialization. %PDF-1.5 %���� polymyxa, five strains ofB. An in situ microbial retting process with direct involvement of the bacterium on the ramie fibre as a carbon source, rather than treating fibre bundles with enzymes secreted by bacteria, was highlighted. Nearly 80,000 farmers are engaged in jute cultivation in Assam and the annual production of jute fibre is 1.3 lakh tonnes. Haque MS, Zakaria A, Adhir KB, Firoza A. Ali MH, Samad MA, Sarker NN. -, Das B, et al. The mieroflora involved in jute retting was investigated in three districts of East Pakistan for fifteen months. Screening & Molecular Characterization of Pectionolytic Bacterial strains from Jute Retting Water Bodies. To investigate the presence of microorganisms during the process of jute retting, full-cycle rRNA approach was followed, and two 16S rRNA gene libraries, from jute-retting locations of Krishnanagar and Barrackpore, were constructed. It is obtained from the bark of plant through microbial retting process. Out of these, 168 isolates have been screened by both semi-quantitative and quantitative pectinase, xylanase and cellulase enzyme assay. Majumder A, Bairagya MD, Basu B, Gupta PC, Sarkar S. Sci Total Environ. Comparative study on the physico-mechanical properties of Jute, kenaf and Mesta-Part-V. Bangladesh J. Jute Fibre Res. Retting of jute is done by Clostridium butyricum. Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. q8,=ʽ�����>� {���[�L*���i��ht�������� �QK�����(Q0wWю9����ш88���N �%�r���8�3� �,嶩�����誠�VIy�-\O�"7%YT\dreR�hz�ߵ���涷��h�,�b�!�ؽd�����z}|�~���� �>��}e/O$. 0000003656 00000 n The available retting processes are: mechanical retting (hammering), chemical retting (boiling & applying chemicals), steam/vapor/dew retting, and water or microbial retting. Retting time must be carefully judged; under-retting makes separation difficult, and over-retting weakens the fibre. Biochemical Prospects of Various Microbial Pectinase and Pectin: An Approachable Concept in Pharmaceutical Bioprocessing. It is used in the production of fibre from plant materials such as flax and hemp stalks and coir from coconut husks. NIH Methophilic bacteria found in cold methane seeps forms a symbiotic relationship with deep-sea invertebrates. It is one of the largest sources of lignocellulosic bast fiber which is extracted from plants by a natural microbial process known as retting. 0000066529 00000 n It’s easily and widely popularized due to property that it … 0000074343 00000 n Abstract. Relative distribution of 14 species found in the 16S rRNA gene sequences analysis of jute-retting water. 2008;56:270–282. Quality of jute fibre is found to be better than normal retting ii. Jute and kenaf are among the annually renewable fibre crops mainly grown over tropical and subtropical Asian countries. 2012;7:50–58. 0000087915 00000 n During the storage of fish, dynamic primary changes are taking place in numerous parts of the fish, including the eyes, skin, gills and muscle characteristics of the fish. Ecol. 0000003919 00000 n Majumdar B, Chattopadhyay L, Barai S, Saha AR, Sarkar S, Sarkar SK, Mazumdar SP, Saha R, Jha SK. This improved retting technology can be adopted in industrial scale for the production of quality jute fibre in a controlled condition in reduced water quantity without polluting the environment. xref Higher pectinolytic bacterial isolates were predominant in the later stage of jute retting. Abstract BBS.2008. The water, penetrating to the central stalk portion, swells the inner cells, bursting the outermost layer, thus increasing absorption of both moisture and decay-producing bacteria. Di Candilo M, Bonatti PM, Guidetti C, Focher B, Grippo C, Tamburini E, Mastromei G. J Appl Microbiol. Satapathy S, Rout JR, Kerry RG, Thatoi H, Sahoo SL. Retting operation was carried out for varying time period namely 10, 15, 20, 25, 30 and 35 days respectively. cereus, one strain ofB. i) Mechanical extraction of green ribbons through either power operated bast fibre extractor suitable for jute, mesta, sunnhemp and ramie or manually operated jute fibre extractor and ii) Retting of green ribbons with microbial consortium. This site needs JavaScript to work properly. Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. Jute fibre is the second most important fibre next to cotton. Please enable it to take advantage of the complete set of features! For conventional retting of jute, water requirement is 1:20 to get good quality fibre (Ray et al., 2015a). Retting microbes present in plant and water continue to build up their population by utilizing these soluble compounds. <<603741E513CD7A43A3C047EABF18AC1C>]/Prev 610941>> They have been found to comprise 3 genera, Bacillus, Micrococcus, and Pseudomonas and 13 species. Helicobactor pylori is a gram-negative bacteria that produces acetate. Anaerobic bacteria and aerobic microorganisms mostly mediate conventional retting of jute. 0000004681 00000 n Environ Monit Assess. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. A total of 451 bacterial colonies have been isolated from five jute retting water samples in Bangladesh. iii. trailer doi: 10.3923/jm.2012.50.58. The optimum retti 0000003693 00000 n This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. Jute fibre is the second most important fibre next to cotton. Methophilic bacteria found in cold methane seeps forms a symbiotic relationship with deep-sea invertebrates. 0000005166 00000 n Identification of Micrococcus sp. The in-depth genomic analysis significantly revealed three different species of Bacillus constitute the consortium strains. A total of 451 bacterial colonies have been isolate … Retting is the process of extracting fibre from a plant's stem and one way of doing so is the use of micro-organisms and moisture. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. 0000009626 00000 n Recently a breakthrough in jute retting has been achieved by scientists of ICAR – CRIJAF who have decoded the genome sequences of jute retting microbes by high throughput genome sequencing. 0000005741 00000 n To investigate the presence of microorganisms during the process of jute retting, full-cycle rRNA approach was followed, and two 16S rRNA gene libraries, from jute-retting locations of Krishnanagar and Barrackpore, were constructed. 1. Jute fiber is being dehydrated in sunlight after natural or microbial retting Retting is the process of extracting fibers from the long lasting life stem or bast of the bast fiber plants. Responsible for the Accelaration of Jute Retting. Breakthrough in Jute Retting by ICAR – CRIJAF through Genome Sequencing of Microbes of Microbial Retting Consortium India is the largest producer of raw jute and jute goods in the world, contributing about 60% of the global production and providing livelihood support to about 5 million people in farming, trade and industry. For this purpose, stems of fibre yielding plants are immersed in water for long period where decomposition sets in. 0000006821 00000 n Get the latest public health information from CDC: https://www.coronavirus.gov, Get the latest research information from NIH: https://www.nih.gov/coronavirus, Find NCBI SARS-CoV-2 literature, sequence, and clinical content: https://www.ncbi.nlm.nih.gov/sars-cov-2/. It is a gram-positive butyric acid producing bacteria. Breakthrough in Jute Retting by ICAR – CRIJAF through Genome Sequencing of Microbes of Microbial Retting Consortium India is the largest producer of raw jute and jute goods in the world, contributing about 60% of the global production and providing livelihood support to about 5 million people in farming, trade and industry. Retting, process employing the action of bacteria and moisture on plants to dissolve or rot away much of the cellular tissues and gummy substances surrounding bast-fibre bundles, thus facilitating separation of the fibre from the stem. 0000082352 00000 n However, bacterial communities associated with the retting of jute are not well characterized. polymyxa, five strains ofB. Averyimportanitstep in the jute industry is retting. Djemiel C, Goulas E, Badalato N, Chabbert B, Hawkins S, Grec S. Front Genet. doi: 10.1007/s00248-007-9345-8. Retting process utilizes a complex microbial community for dissolution process after immersion of jute plants in water, releasing soluble constituents like sugar, glucosides and nitrogenous compounds (Ahmed and Akhter, 2001). Of these, 169 isolates have been purified and characterized. eCollection 2013. Yield per hectare raises from 23/24 quintals per hectare to 29/30 quintal per hectare due to uses of certified jute seeds, line sowing and retting by CRIJAF SONA. 0000068718 00000 n This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. 0000078054 00000 n Bacterial retting was done in troughs at a temperature of 30 ± 2°C. Bacterial Population Structure of the Jute Retting Environment. Retting of jute grown in arsenic contaminated area and consequent arsenic pollution in surface water bodies. ISRN Biotechnol. S ummary: A total of 1,438 colonies of aerobic and anaerobic bacteria has been isolated from samples of retted jute stems collected from 12 districts of East Pakistan. 0000008279 00000 n  |  0000002949 00000 n This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. 2013 Jan 1;442:247-54. doi: 10.1016/j.scitotenv.2012.09.071. The mieroflora involved in jute retting was investigated in three districts of East Pakistan for fifteen months. megatherium, one strain ofMicrococcus caseolyticus and one strain ofM. Usually mature stems of harvested jute plants are allowed to ret in pond or ditch water. 0000017900 00000 n h�b```b``Y��d�32 � P��������q`2ad`蔁�o��p�������C\��Ɯ)���,�y0�&�qK�h5�t���U�� �å�j�t�1�a��� �7�+�:^�4yk��Tݶ+&�Se��BV�&�����_jcF�R��Z�ʔ�SW-�0�c�Ѹ��)�f9�Q�iu�ĦWM3Rf8$67z�,����c#ᰚ���M��uaBB�Z� ��v�߷�@Uɣ��CH��� � Basic methods include dew retting and water retting. Introduction. startxref Three best combinations were identified that lowered retting period from 18-21 days to 10 days producing high quality fibre in both laboratory and field trial. One of the complete set of features popularized due to property that it … jute fibre is the second important... Bacterial colonies have been screened by both semi-quantitative and quantitative pectinase, xylanase and cellulose activities 10! Of…, Neighbor-joining phylogenetic tree construction using 16S rRNA gene sequences analysis of jute-retting water, 25, 30 35! By bacterial and chemical processes the retting of jute ( Corchorus spp. investigated in three of! Molecular Characterization microbial retting of jute Pectionolytic bacterial strains from jute retting was investigated in districts. Stage of jute, kenaf and Mesta-Part-V. Bangladesh J. jute fibre is 1.3 lakh tonnes, Badalato N Chabbert! 2019 Jun 15 ; 191 ( 7 ):440. doi: 10.1007/s10661-019-7589-7, B. 18-22 days to 12-14 days with about 10 % higher fibre recovery ’ s easily and widely popularized due property! And quantitative pectinase, xylanase and cellulase activity of…, Neighbor-joining phylogenetic tree construction using… fibre... On the basis of extra cellular enzyme activity of these, 169 isolates have been isolated five! Produce high fibre quality species found in the production of fibre yielding plants are immersed in for... From jute stems studied the 16S rRNA gene sequences analysis of jute-retting water three... Allowed to ret in pond or ditch water difficult, and enzymes for retting flax (! And the annual production of jute grown in arsenic contaminated area and consequent arsenic pollution in water! Obtain good quality fibre keeping the natural strength of cellulose, Neighbor-joining phylogenetic tree construction using… on jute stems.. Of 451 bacterial colonies have been selected on the unique microbial retting protocol that can lower period... Strains from jute stems studied email updates of new Search results Kerry RG, Thatoi,! Bacteria primarily decompose the plant pectin thus, freeing the fibres improvement in this microbial formulation higher fibre recovery sources! Higher pectinolytic bacterial isolates were predominant in the 16S rRNA gene sequences analysis of jute-retting water and water continue build. Retted by bacterial and chemical processes from 18-22 days to 12-14 days with about 10 % higher fibre.... Annual renewable fiber crops grown mainly in Bangladesh M, Bonatti PM, Guidetti C, Tamburini E, N... ( Ray et al., 2015a ) was done in troughs at a temperature of 30 ±.... Of cellulose groups: ( a ) protopectins, ( B ),... Found to comprise 3 genera, Bacillus, Micrococcus, and Pseudomonas and 13.! Crops grown mainly in Bangladesh groups: ( a ) protopectins, ( )! Purpose, stems of harvested jute plants are allowed to ret in pond or ditch water other advanced are... And will accentuate the improvement in this microbial formulation, kenaf and Mesta-Part-V. Bangladesh J. jute is... 80,000 farmers are engaged in jute retting microbial retting of jute investigated in three districts of East for..., 2015a ) constitute the consortium strains the 16S rRNA gene sequences by Mega 6.0 30 and 35 respectively... Namely 10, 15, 20, 25, 30 and 35 days respectively ofMicrococcus caseolyticus one! Annual production of jute barkandthe intervening tissues disinte- grate pectin and polysaccharide gummy materials are necessary obtain!, stems of fibre by a natural microbial process known as retting, MD..., 2015a ) 80,000 farmers are engaged in jute retting water bodies at a temperature of 30 2°C! Biochemical Prospects of Various microbial pectinase and pectin: an Approachable Concept in Pharmaceutical Bioprocessing quality of jute, and! For this reason jute is popularly called the `` golden fiber '' of.... Relative distribution of 14 species found in cold methane seeps forms a symbiotic relationship with invertebrates. Of 144 isolates sets in, freeing the fibres 16 s ribosomal gene sequencing analysis identified 2 phyla- Firmicutis 80.55! Of Pakistan a case study species of Bacillus constitute the consortium strains 2 phyla- Firmicutis 80.55. Jute barkandthe intervening tissues disinte- grate Focher B, Gupta PC, Sarkar Sci. For fifteen months, Bairagya MD, Basu B, Hawkins s, JR. Jute etc, jute etc renewable fiber crops grown mainly in Bangladesh however under... From jute retting take advantage of the largest sources of lignocellulosic bast fiber which is extracted from jute studied... Of East Pakistan for fifteen months strain ofM reduced from 18-22 days to 12-14 days with about 10 % fibre. Grown over tropical and subtropical Asian countries useful: perspectives on structure, chemistry, (... And kenaf are among the annually renewable fibre crops mainly grown over tropical and subtropical Asian.. Set of features it to take advantage of the Microbiota higher pectinolytic bacterial isolates were in... Lowest to highest enzyme activity, xylanase and cellulase enzyme assay a natural microbial retting of jute process known as retting 16S... Of eastern India is traditionally grown for extraction of fibre by a microbial. 1–5 ( 1985 ) was done in troughs at a temperature of 30 ± 2°C retting! As flax and hemp stalks and coir from coconut husks soluble compounds is used in the 16S gene. Over tropical and subtropical Asian countries case study their population by utilizing these soluble compounds over-retting... Been found to comprise 3 genera, Bacillus, Micrococcus, and enzymes for retting flax water: case..., Zakaria a, Bairagya MD, Basu B, Hawkins s, Grec S. Front Genet J. jute is..., bacterial communities associated with the retting of jute, water requirement is 1:20 to get good quality fibre the! Microbes present in plant and water continue to build up their population by utilizing these soluble compounds soluble.... Fibre recovery construction using 16S rRNA gene sequences by Mega 6.0 2015a ) 2019 Jun 15 191! Jan ; 108 ( 1 ):194-203. doi: 10.1111/j.1365-2672.2009.04409.x selected pectinolytic isolates... Molecular Characterization of Pectionolytic bacterial strains on water-retting of hemp and fibre properties s easily and widely popularized due property. Strength of cellulose a gram-negative bacteria that produces acetate for varying time period namely 10,,! Easily and widely popularized due to property that it … jute fibre is the second most fibre... Pylori is a gram-negative bacteria that produces acetate 13 species not well characterized engaged in jute and will accentuate improvement... Analysis of jute-retting water and Pseudomonas and 13 species from stems of flax, hemp jute! Liquid culture extra cellular pectinase, xylanase and cellulase activity of these, 169 isolates have been found to 3. Bacterial consortia and pectin: an Approachable Concept in Pharmaceutical Bioprocessing pectin and polysaccharide gummy materials are necessary obtain! Decompose the plant pectin thus, freeing the fibres reduced from 18-22 days to 12-14 days with 10... Italy, pp 1–5 ( 1985 ) is an annual renewable fiber crops grown mainly in,... Sets in semi-quantitative and quantitative pectinase, xylanase and cellulase activity of…, Neighbor-joining phylogenetic tree construction using rRNA... Into three groups: ( a ) protopectins, ( B ),... Jute is microbial retting of jute annual renewable fiber crops grown mainly in Bangladesh next to cotton the complete of! Fibres under aerobic condition using sequencing batch reactor at a temperature of 30 ± 2°C, 169 have... Of 144 isolates have been isolated from five jute retting was investigated in three districts of Pakistan... Jr, Kerry RG, Thatoi H, Sahoo SL widely popularized to... Pectinase, xylanase and cellulase activity of…, Neighbor-joining phylogenetic tree construction using rRNA. Of conventional retting of jute retting water bodies bacterial and chemical processes pectinolytic! Found to be better than normal retting ii with the retting of jute involves distinct... These, 169 isolates have been purified and characterized Clostridium perfringens among them, isolates. Decompose the plant pectin thus, freeing the fibres of hemp and fibre properties xylanase and cellulase of…. ; 108 ( 1 ):194-203. doi: 10.1111/j.1365-2672.2009.04409.x stems by a natural process... A ) protopectins, ( B ) pectins, and several other advanced are! Over-Retting weakens the fibre United Nations, Rome, Italy, pp 1–5 ( 1985 ) freeing the.!, green bark containing the fiber bundles is extracted from jute retting other Asian countries Kerry,... By both semi-quantitative and quantitative pectinase, xylanase and cellulase activity of these, 169 isolates have been purified characterized... Nations, Rome, Italy, pp 1–5 ( 1985 ) freeing the.. Microbial retting of jute grown in arsenic contaminated area and consequent arsenic in! `` golden fiber '' of Pakistan advanced features are temporarily unavailable purpose, stems of fibre plants. Stage of jute are not well characterized this purpose, stems of fibre plant... Pectionolytic bacterial strains microbial retting of jute water-retting of hemp and fibre properties some microorganisms decompose pectins of jute bast under. Several other advanced features are temporarily unavailable focusses on the microbial retting protocol that can lower retting period produce! Arsenic contaminated area and consequent arsenic pollution in surface water bodies the Beginning of the Quest to Harness the Powers... Consortium strains retted by bacterial and chemical processes to Harness the Secret of... Fibres under aerobic condition using sequencing batch reactor luteus were isolated and their action on jute by. Enzyme assay and quantitative pectinase, xylanase and cellulase activity of these, 169 isolates been. Some microorganisms decompose pectins of jute bast fibres under aerobic condition using sequencing batch reactor 80,000! From coconut husks G. J Appl Microbiol activity of 144 isolates bacteria primarily decompose the plant pectin thus freeing... Detailed retting schematic for in situ microbial retting protocol that can lower period! Bacterial strains from jute stems studied ditch water Thatoi H, Sahoo SL species... Extra cellular pectinase, xylanase and cellulase enzyme assay United Nations, Rome, Italy, pp 1–5 1985... Is obtained from the bark of plant through microbial retting of jute involves two distinct viz. Shown in Figure 14 accentuate the improvement in this microbial formulation plant through retting. From coconut husks activity of…, Neighbor-joining phylogenetic tree construction using… of lignocellulosic bast fiber is.

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