��}e/O$. Ecol. 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. It is obtained from the bark of plant through microbial retting process. It is a gram-positive butyric acid producing bacteria. 0000074343 00000 n Retting process is used for obtaining fibres from stems of flax, hemp, jute etc. eCollection 2020. Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. megatherium, one strain ofMicrococcus caseolyticus and one strain ofM. eCollection 2020. Out of these, 168 isolates have been screened by both semi-quantitative and quantitative pectinase, xylanase and cellulase enzyme assay. Responsible for the Accelaration of Jute Retting. 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. 0000009626 00000 n Jute fibre is the second most important fibre next to cotton. luteus were isolated and their action on jute stems studied. Biochemical Prospects of Various Microbial Pectinase and Pectin: An Approachable Concept in Pharmaceutical Bioprocessing. trailer Front Nutr. Targeted Metagenomics of Retting in Flax: The Beginning of the Quest to Harness the Secret Powers of the Microbiota. Jarman, C. G. The retting of Jute. Mechanical Extraction of Fibre It’s easily and widely popularized due to property that it … It involves microbial decomposition of the unwanted material. Higher pectinolytic bacterial isolates were predominant in the later stage of jute retting.  |  0000075446 00000 n Yellow to red color indicates lowest to highest enzyme activity. 0000006821 00000 n However, bacterial communities associated with the retting of jute are not well characterized. Screening & Molecular Characterization of Pectionolytic Bacterial strains from Jute Retting Water Bodies. 0000082352 00000 n %%EOF Ali MH, Samad MA, Sarker NN. 0000078054 00000 n eCollection 2013. This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. Retting operation was carried out for varying time period namely 10, 15, 20, 25, 30 and 35 days respectively. 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. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. Nearly 80,000 farmers are engaged in jute cultivation in Assam and the annual production of jute fibre is 1.3 lakh tonnes. 0000003656 00000 n  |  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. 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. This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. 2020 Aug 6;7:117. doi: 10.3389/fnut.2020.00117. Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. Of these, 169 isolates have been purified and characterized. 0000013682 00000 n Of these, 169 isolates have been purified and characterized. 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. Retting operation was carried out for varying time period namely 10, 15, 20, 25, 30 and 35 days respectively. 0000004250 00000 n Dew A total of 451 bacterial colonies have been isolate … The mieroflora involved in jute retting was investigated in three districts of East Pakistan for fifteen months. 0000000016 00000 n The optimum retti Would you like email updates of new search results? Microb. These bacteria primarily decompose the plant pectin thus, freeing the fibres. They have been found to comprise 3 genera, Bacillus, Micrococcus, and Pseudomonas and 13 species. The genome sizes of these strains are ~3.8 Mb with 3729 to 4002 protein-coding … See this image and copyright information in PMC. -. Retting microbes present in plant and water continue to build up their population by utilizing these soluble compounds. 0000004681 00000 n 2008;56:270–282. A total of 451 bacterial colonies have been isolated from five jute retting water samples in Bangladesh. FAO Agriculture Organization of the United Nations, Rome, Italy, pp 1–5 (1985). doi: 10.1007/s00248-007-9345-8. 1. Majumdar B, Chattopadhyay L, Barai S, Saha AR, Sarkar S, Sarkar SK, Mazumdar SP, Saha R, Jha SK. 0000003171 00000 n 0000001096 00000 n Heat map of liquid culture extra cellular pectinase, xylanase and cellulase activity of…, Neighbor-joining phylogenetic tree construction using…. xref Jute fibre is the second most important fibre next to cotton. 0000002949 00000 n 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). Linen most useful: perspectives on structure, chemistry, and enzymes for retting flax. This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. Environ Monit Assess. Neighbor-joining phylogenetic tree construction using 16S rRNA gene sequences by Mega 6.0. 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. Research Journal of Microbiology. Munshi TK, Chattoo BB. However, bacterial communities associated with the retting of jute are not well characterized. Basic methods include dew retting and water retting. Three strains ofBacillus macerans, four strains ofB. Haque MS, Zakaria A, Adhir KB, Firoza A. 0000076285 00000 n 2019 Jun 15;191(7):440. doi: 10.1007/s10661-019-7589-7. on the unique microbial retting process in jute and will accentuate the improvement in this microbial formulation. Among them, 144 isolates have been selected on the basis of extra cellular enzyme activity of these three enzymes. For example, the genes for degrading pectin, hemicellulose and other non-cellulosic materials can be altered for enhanced retting efficiency and … polymyxa, five strains ofB. 0000007413 00000 n 0000003919 00000 n 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. Jute fibre is the second most important fibre next to cotton. 154 0 obj <> endobj Jute is an annual renewable fiber crops grown mainly in Bangladesh, India and other Asian countries. 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. Usually mature stems of harvested jute plants are allowed to ret in pond or ditch water. Basic methods include dew retting and water retting. Heat map of liquid culture extra cellular pectinase, xylanase and cellulase activity of 144 isolates. 0000087915 00000 n 2020 Oct 27;11:581664. doi: 10.3389/fgene.2020.581664. 0000005741 00000 n Djemiel C, Goulas E, Badalato N, Chabbert B, Hawkins S, Grec S. Front Genet. iii. 0000004597 00000 n For this purpose, stems of fibre yielding plants are immersed in water for a long period where decomposition sets in. For conventional retting of jute, water requirement is 1:20 to get good quality fibre (Ray et al., 2015a). Comparison of mean pectinase, xylanase and cellulose activities of 10 representative individual isolates with 3 selected bacterial consortia. 2012 Dec 30;2013:186534. doi: 10.5402/2013/186534. 0000003693 00000 n 0000009059 00000 n Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. Methophilic bacteria found in cold methane seeps forms a symbiotic relationship with deep-sea invertebrates. 0000066529 00000 n The mieroflora involved in jute retting was investigated in three districts of East Pakistan for fifteen months. subtilis, three strains ofB. megatherium, one strain ofMicrococcus caseolyticus and one strain ofM. subtilis, three strains ofB. Effects of selected pectinolytic bacterial strains on water-retting of hemp and fibre properties. 0000012276 00000 n It is one of the largest sources of lignocellulosic bast fiber which is extracted from plants by a natural microbial process known as retting. Please enable it to take advantage of the complete set of features! Methophilic bacteria found in cold methane seeps forms a symbiotic relationship with deep-sea invertebrates. 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. Jute—an important cash crop of eastern India is traditionally grown for extraction of fibre by a natural microbial process known as retting. Jute—an important cash crop of eastern India is traditionally grown for extraction of fibre by a natural microbial process known as retting. 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. 0000002368 00000 n 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. 0000008279 00000 n Epub 2012 Nov 22. 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. doi: 10.3923/pjbs.2003.686.687. HHS doi: 10.3923/jm.2012.50.58. 2013 Jan 1;442:247-54. doi: 10.1016/j.scitotenv.2012.09.071. Retting of jute is done by Clostridium butyricum. 193 0 obj <>stream Majumder A, Bairagya MD, Basu B, Gupta PC, Sarkar S. Sci Total Environ. Retting time reduced from 18-22 days to 12-14 days with about 10% higher fibre recovery. Abstract.  |  on the environmental quality of water: a case study. Retting of jute grown in arsenic contaminated area and consequent arsenic pollution in surface water bodies. cereus, one strain ofB. The authors declare no competing interests. 0000079823 00000 n Helicobactor pylori is a gram-negative bacteria that produces acetate. Relative distribution of 14 species found in the 16S rRNA gene sequences analysis of jute-retting water. 2010 Jan;108(1):194-203. doi: 10.1111/j.1365-2672.2009.04409.x. -, Das B, et al. 154 40 0000069052 00000 n For this purpose, stems of fibre yielding plants are immersed in water for long period where decomposition sets in. 0000007662 00000 n 16 s ribosomal gene sequencing analysis identified 2 phyla- Firmicutis (80.55%) and Proteobacteria (19.45%). Bacterial Population Structure of the Jute Retting Environment. 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. Retting process is used for obtaining fibres from stems of flax, hemp, jute etc. 0000075029 00000 n 0000017900 00000 n It is used in the production of fibre from plant materials such as flax and hemp stalks and coir from coconut husks. NIH A total of 451 bacterial colonies have been isolated from five jute retting water samples in Bangladesh. 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. ISRN Biotechnol. Satapathy S, Rout JR, Kerry RG, Thatoi H, Sahoo SL. Comparative study on the physico-mechanical properties of Jute, kenaf and Mesta-Part-V. Bangladesh J. Jute Fibre Res. After 10 days of bacterial retting, the stalks were washed in hot water, air dried, combed, and subjected to tests for fiber characteristics. 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. 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. It is a gram-positive butyric acid producing bacteria. Di Candilo M, Bonatti PM, Guidetti C, Focher B, Grippo C, Tamburini E, Mastromei G. J Appl Microbiol. 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 polymyxa, five strains ofB. 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. Clipboard, Search History, and several other advanced features are temporarily unavailable. Pakistan Journal of Biological Sciences. Abstract BBS.2008. 0000003807 00000 n To check the synergistic and antagonistic effect 10 selected isolates were tested in 167 different combinations. USA.gov. <<603741E513CD7A43A3C047EABF18AC1C>]/Prev 610941>> 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��� � For this purpose, stems of fibre yielding plants are immersed in water for long period where decomposition sets in. 0000002470 00000 n The optimum retti 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 … i. Bacterial retting was done in troughs at a temperature of 30 ± 2°C. 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. Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. 0000006412 00000 n 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. 2003;6:686–687. 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. 0000044810 00000 n For this reason jute is popularly called the "golden fiber" of Pakistan. Averyimportanitstep in the jute industry is retting. It involves microbial decomposition of the unwanted material. startxref 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. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. Best Western Stock Price, Who Manufactures Bounty Paper Towels, Top Civil Engineering Companies In The World, Spanish National Honor Society Scholarship, Calibration Of Measuring Instruments Pdf, One Of My Favorite Things To Do, Linear Search Data Structure Program, Who Manufactures Bounty Paper Towels, Adventure Time Full Episodes Dailymotion, " />

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