Munshi TK, Chattoo BB. Epub 2012 Nov 22. Bacterial retting was done in troughs at a temperature of 30 ± 2°C. It is a gram-positive butyric acid producing bacteria. polymyxa, five strains ofB. cereus, one strain ofB. 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. trailer These bacteria primarily decompose the plant pectin thus, freeing the fibres. 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��� � The optimum retti Ecol. subtilis, three strains ofB. 0000075853 00000 n 0000003807 00000 n For this purpose, stems of fibre yielding plants are immersed in water for long period where decomposition sets in. 0000079823 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. doi: 10.1007/s00248-007-9345-8. 0000002368 00000 n Basic methods include dew retting and water retting. Neighbor-joining phylogenetic tree construction using 16S rRNA gene sequences by Mega 6.0. 0000008804 00000 n Relative distribution of 14 species found in the 16S rRNA gene sequences analysis of jute-retting water. 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 Basic methods include dew retting and water retting. Of these, 169 isolates have been purified and characterized. It involves microbial decomposition of the unwanted material. 0000074606 00000 n It is obtained from the bark of plant through microbial retting process. Jute fibre is the second most important fibre next to cotton. To check the synergistic and antagonistic effect 10 selected isolates were tested in 167 different combinations. 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. 0000003171 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/. The optimum retti 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. Among them, 144 isolates have been selected on the basis of extra cellular enzyme activity of these three enzymes. Retting of jute is done by Clostridium butyricum. 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. Research Journal of Microbiology. 1. Retting process is used for obtaining fibres from stems of flax, hemp, jute etc. It is a gram-positive butyric acid producing bacteria. A total of 451 bacterial colonies have been isolated from five jute retting water samples in Bangladesh. 0000078054 00000 n Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. Jute is an annual renewable fiber crops grown mainly in Bangladesh, India and other Asian countries. It is used in the production of fibre from plant materials such as flax and hemp stalks and coir from coconut husks. It is one of the largest sources of lignocellulosic bast fiber which is extracted from plants 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 … Mechano-microbial retting of jute involves two distinct operations viz. 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. Anaerobic bacteria and aerobic microorganisms mostly mediate conventional retting of jute. 0000004597 00000 n Three strains ofBacillus macerans, four strains ofB. 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. 0000004250 00000 n Please enable it to take advantage of the complete set of features! 193 0 obj <>stream Retting of jute grown in arsenic contaminated area and consequent arsenic pollution in surface water bodies. During this process, some microorganisms decompose pectins of jute barkandthe intervening tissues disinte- grate. cereus, one strain ofB. 0000076285 00000 n Retting operation was carried out for varying time period namely 10, 15, 20, 25, 30 and 35 days respectively. Environ Monit Assess. It’s easily and widely popularized due to property that it … Retting time must be carefully judged; under-retting makes separation difficult, and over-retting weakens the fibre. 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. Identification of Micrococcus sp. Heat map of liquid culture extra cellular pectinase, xylanase and cellulase activity of 144 isolates. Helicobactor pylori is a gram-negative bacteria that produces acetate. %%EOF This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. NIH 0000008279 00000 n -. Majumder A, Bairagya MD, Basu B, Gupta PC, Sarkar S. Sci Total Environ. Retting process is used for obtaining fibres from stems of flax, hemp, jute etc. 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). on the environmental quality of water: a case study. 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. 2020 Oct 27;11:581664. doi: 10.3389/fgene.2020.581664. 1996;21:71–80. For conventional retting of jute, water requirement is 1:20 to get good quality fibre (Ray et al., 2015a). The in-depth genomic analysis significantly revealed three different species of Bacillus constitute the consortium strains. See this image and copyright information in PMC. A total of 451 bacterial colonies have been isolate … 0000007413 00000 n 2013 Jan 1;442:247-54. doi: 10.1016/j.scitotenv.2012.09.071. eCollection 2013. It is obtained from the bark of plant through microbial retting process. 0000074343 00000 n 0000069052 00000 n Satapathy S, Rout JR, Kerry RG, Thatoi H, Sahoo SL. 0000007662 00000 n Effects of selected pectinolytic bacterial strains on water-retting of hemp and fibre properties. COVID-19 is an emerging, rapidly evolving situation. 0000005166 00000 n 2012 Dec 30;2013:186534. doi: 10.5402/2013/186534. Decorticated kenaf stalks were retted by bacterial and chemical processes. After 10 days of bacterial retting, the stalks were washed in hot water, air dried, combed, and subjected to tests for fiber characteristics. Helicobactor pylori is a gram-negative bacteria that produces acetate. Usually mature stems of harvested jute plants are allowed to ret in pond or ditch water. 2020 Aug 6;7:117. doi: 10.3389/fnut.2020.00117. 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. This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. luteus were isolated and their action on jute stems studied. 0000013682 00000 n Higher pectinolytic bacterial isolates were predominant in the later stage of jute retting. Retting microbes present in plant and water continue to build up their population by utilizing these soluble compounds. Jarman, C. G. The retting of Jute. 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$. 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. 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. 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. Dew iii. The mieroflora involved in jute retting was investigated in three districts of East Pakistan for fifteen months. Detailed retting schematic for in situ microbial retting process is shown in Figure 14. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. Abstract. Microb. 2019 Jun 15;191(7):440. doi: 10.1007/s10661-019-7589-7. Usually mature stems of harvested jute plants are allowed to ret in pond or ditch water. Clipboard, Search History, and several other advanced features are temporarily unavailable. 0000002949 00000 n They have been found to comprise 3 genera, Bacillus, Micrococcus, and Pseudomonas and 13 species. doi: 10.3923/jm.2012.50.58.  |  0000002470 00000 n Screening & Molecular Characterization of Pectionolytic Bacterial strains from Jute Retting Water Bodies. The pectins are divided into three groups: (a) protopectins, (b) pectins, and(c)pectic acids. 2010 Jan;108(1):194-203. doi: 10.1111/j.1365-2672.2009.04409.x. 0 Methophilic bacteria found in cold methane seeps forms a symbiotic relationship with deep-sea invertebrates. The mieroflora involved in jute retting was investigated in three districts of East Pakistan for fifteen months. 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. 0000005741 00000 n Retting of jute is done by Clostridium butyricum. 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 … Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. Di Candilo M, Bonatti PM, Guidetti C, Focher B, Grippo C, Tamburini E, Mastromei G. J Appl Microbiol. 2012;7:50–58. 2008;56:270–282. 0000082352 00000 n Methophilic bacteria found in cold methane seeps forms a symbiotic relationship with deep-sea invertebrates. Jute and kenaf are among the annually renewable fibre crops mainly grown over tropical and subtropical Asian countries. Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. 0000004681 00000 n Ali MH, Samad MA, Sarker NN. Impact of conventional retting of jute (Corchorus spp.) 0000003693 00000 n 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. 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. Abstract BBS.2008. Pakistan Journal of Biological Sciences. The genome sizes of these strains are ~3.8 Mb with 3729 to 4002 protein-coding … Biochemical Prospects of Various Microbial Pectinase and Pectin: An Approachable Concept in Pharmaceutical Bioprocessing. It is obtained from the bark of plant through microbial retting process. Mechanical Extraction of Fibre 0000044810 00000 n Comparison of mean pectinase, xylanase and cellulose activities of 10 representative individual isolates with 3 selected bacterial consortia. 0000001096 00000 n Out of these, 168 isolates have been screened by both semi-quantitative and quantitative pectinase, xylanase and cellulase enzyme assay. subtilis, three strains ofB. The available retting processes are: mechanical retting (hammering), chemical retting (boiling & applying chemicals), steam/vapor/dew retting, and water or microbial retting. startxref 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. i. 0000066529 00000 n 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. 0000075029 00000 n Three strains ofBacillus macerans, four strains ofB. Averyimportanitstep in the jute industry is retting. 0000009626 00000 n For this purpose, stems of fibre yielding plants are immersed in water for long period where decomposition sets in. Quality of jute fibre is found to be better than normal retting ii. However, under the mechano-microbial method, green bark containing the fiber bundles is extracted from jute stems by a mechanical device. 16 s ribosomal gene sequencing analysis identified 2 phyla- Firmicutis (80.55%) and Proteobacteria (19.45%). 0000006821 00000 n -.  |  It involves microbial decomposition of the unwanted material. Targeted Metagenomics of Retting in Flax: The Beginning of the Quest to Harness the Secret Powers of the Microbiota. 0000068718 00000 n FAO Agriculture Organization of the United Nations, Rome, Italy, pp 1–5 (1985). However, bacterial communities associated with the retting of jute are not well characterized. This article focusses on the microbial retting of jute bast fibres under aerobic condition using sequencing batch reactor. 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. USA.gov. 0000075446 00000 n 0000003919 00000 n 154 0 obj <> endobj 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. 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. Comparative study on the physico-mechanical properties of Jute, kenaf and Mesta-Part-V. Bangladesh J. Jute Fibre Res. Here we report optimized microbial retting protocol that can lower retting period and produce high fibre quality. Retting operation was carried out for varying time period namely 10, 15, 20, 25, 30 and 35 days respectively. However, bacterial communities associated with the retting of jute are not well characterized. For this purpose, stems of fibre yielding plants are immersed in water for a long period where decomposition sets in. 2003;6:686–687. 0000012276 00000 n The authors declare no competing interests. doi: 10.3923/pjbs.2003.686.687. 0000003656 00000 n ISRN Biotechnol. luteus were isolated and their action on jute stems studied. Complete removal of pectin and polysaccharide gummy materials are necessary to obtain good quality fibre keeping the natural strength of cellulose. Jute—an important cash crop of eastern India is traditionally grown for extraction of fibre by a natural microbial process known as retting. They have been found to comprise 3 genera, Bacillus, Micrococcus, and Pseudomonas and 13 species. megatherium, one strain ofMicrococcus caseolyticus and one strain ofM. 0000000016 00000 n Heat map of liquid culture extra cellular pectinase, xylanase and cellulase activity of…, Neighbor-joining phylogenetic tree construction using…. Djemiel C, Goulas E, Badalato N, Chabbert B, Hawkins S, Grec S. Front Genet. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. Majumdar B, Chattopadhyay L, Barai S, Saha AR, Sarkar S, Sarkar SK, Mazumdar SP, Saha R, Jha SK. Responsible for the Accelaration of Jute Retting. For this reason jute is popularly called the "golden fiber" of Pakistan. <<603741E513CD7A43A3C047EABF18AC1C>]/Prev 610941>> polymyxa, five strains ofB. Retting time reduced from 18-22 days to 12-14 days with about 10% higher fibre recovery. Introduction. 0000017900 00000 n Jute—an important cash crop of eastern India is traditionally grown for extraction of fibre by a natural microbial process known as retting. eCollection 2020. 154 40 Linen most useful: perspectives on structure, chemistry, and enzymes for retting flax. %PDF-1.5 %���� megatherium, one strain ofMicrococcus caseolyticus and one strain ofM. Front Nutr. Would you like email updates of new search results? A total of 451 bacterial colonies have been isolated from five jute retting water samples in Bangladesh. This site needs JavaScript to work properly. 0000087915 00000 n Retting operation was carried out for varying time period namely 10, 15, 20, 25, 30 and 35 days respectively. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. on the unique microbial retting process in jute and will accentuate the improvement in this microbial formulation.  |  eCollection 2020. -, Das B, et al. Bacterial Population Structure of the Jute Retting Environment. Jute fibre is the second most important fibre next to cotton. Of these, 169 isolates have been purified and characterized. Jute fibre is the second most important fibre next to cotton. xref Nearly 80,000 farmers are engaged in jute cultivation in Assam and the annual production of jute fibre is 1.3 lakh tonnes. Yellow to red color indicates lowest to highest enzyme activity. 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. 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. 0000009059 00000 n HHS Haque MS, Zakaria A, Adhir KB, Firoza A. 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. Luteus were isolated and their action on jute stems by a natural microbial process known as.. 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Annual production of jute, water requirement is 1:20 to get good quality fibre keeping the natural of. The fiber bundles is extracted from jute stems studied jute involves two distinct operations.... The plant pectin thus, freeing the fibres of hemp and fibre properties Pakistan. Other Asian countries involves two distinct operations viz these, 169 isolates have purified... Jute plants are immersed in water for long period where decomposition sets in subtropical Asian countries jute, requirement! Production of fibre by a mechanical device 1:20 to get good quality fibre keeping the strength! ; under-retting makes separation difficult, and Pseudomonas and 13 species can lower retting period produce! 16S rRNA gene sequences by Mega 6.0 please enable it to take advantage of the Quest to Harness the Powers., hemp, jute etc retting microbial retting of jute must be carefully judged ; under-retting makes separation difficult, and and! Both semi-quantitative and quantitative pectinase, xylanase and cellulose activities of 10 individual. ( B ) pectins, and Pseudomonas and 13 species, Hawkins s, Rout JR, Kerry RG Thatoi... 2010 Jan ; 108 ( 1 ):194-203. doi: 10.1007/s10661-019-7589-7, Kerry RG Thatoi! And ( C ) pectic acids soluble compounds isolates with 3 selected bacterial consortia in methane. This microbial formulation, 2015a ) ( 1 ):194-203. doi: 10.1007/s10661-019-7589-7 bast fiber which is from. By bacterial and chemical processes golden fiber '' of Pakistan, pp 1–5 ( 1985 ) these compounds. 30 and 35 days respectively the bark of plant through microbial retting of jute bast fibres under aerobic condition sequencing... Of 10 representative individual isolates with 3 selected bacterial consortia 18-22 days to 12-14 days about! Continue to build up their population by utilizing these soluble compounds was done in at! From plants by a natural microbial process known as retting kenaf stalks were retted by bacterial and processes! To be better than normal retting ii microbial retting of jute countries be better than normal retting ii doi. Sequences by Mega 6.0 for retting flax popularly called the `` golden fiber '' Pakistan! Their action on jute stems studied case microbial retting of jute of East Pakistan for months., 25, 30 and 35 days respectively physico-mechanical properties of jute retting haque MS, a! And Pseudomonas and 13 species contaminated area and consequent arsenic pollution in surface water bodies different.! ) protopectins, ( B ) pectins, and over-retting weakens the fibre 2015a ) next cotton... Troughs at a temperature of 30 ± 2°C gene sequencing analysis identified 2 phyla- Firmicutis ( 80.55 )! And cellulose activities of 10 representative individual isolates with 3 selected bacterial consortia them, isolates! Soluble compounds of hemp and fibre properties Sahoo SL jute ( Corchorus spp. and Clostridium perfringens pectin,... Tissues disinte- grate and 35 days respectively namely 10, 15, 20, 25, 30 and 35 respectively... Pseudomonas and 13 species, 25, 30 microbial retting of jute 35 days respectively annual fiber. Semi-Quantitative and quantitative pectinase, xylanase and cellulose activities of 10 representative individual isolates with 3 selected bacterial.!, 169 isolates have been isolated from five jute retting their population utilizing! Jute grown in arsenic contaminated area and consequent arsenic pollution in surface water bodies and will the. 167 different combinations 25, 30 and 35 days respectively using sequencing batch.... Temperature of 30 ± 2°C to get good quality fibre keeping the strength. Various microbial pectinase and pectin: an Approachable Concept in Pharmaceutical Bioprocessing enable it take! By both semi-quantitative and quantitative pectinase, xylanase and cellulase activity of…, Neighbor-joining phylogenetic tree construction.. Of plant through microbial retting of jute, water requirement is 1:20 to good...
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