Bacteria endemic to saline coastal belt and their ability to mitigate the effects of salt stress on rice growth and yields
Increase in soil salinity adversely affects the metabolism and lowers the yield of rice ( Oryza sativa L). Application of plant growth-promoting rhizobacteria (PGPR) to ameliorate the effects of salt stress on sensitive rice can be both effective and sustainable. In this study, 20 bacterial strains...
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| Veröffentlicht in: | Annals of microbiology 2018-09, Vol.68 (9), p.525-535 |
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| creator | Rima, Fahmida Sultana Biswas, Sudip Sarker, Protup Kumer Islam, Md. Rakibul Seraj, Zeba I. |
| description | Increase in soil salinity adversely affects the metabolism and lowers the yield of rice (
Oryza sativa
L). Application of plant growth-promoting rhizobacteria (PGPR) to ameliorate the effects of salt stress on sensitive rice can be both effective and sustainable. In this study, 20 bacterial strains were isolated from the soil of saline-prone regions of Satkhira, north of the Sundarbans in coastal Bangladesh. Three bacteria among these grew well in the presence of 3 M salt (NaCl) and were Gram positive and non-motile. Their 16S rRNA sequence revealed that they belong to the
Halobacillus
genus. Two of them were identified as
Halobacillus dabanensis strain SB-26
and the other one as
Halobacillus
sp.
GSP 34
. A couple of mechanisms by which these microbes could play beneficial role if associated with plants, such as nitrogen fixation and indole acetic acid (IAA) production, were identified. The two bacterial strains showed positive results for nitrogen fixation and indole acetic acid (IAA) activity under salt stress. Their effect on the physiology and yield of a farmer popular but sensitive BRRI dhan 28 rice variety was investigated under both control and salt stress. At the seedling stage, inoculated plants had significantly greater root length, shoot height, total weight, chlorophyll content, but lower electrolyte leakage both in control and salt stress (0, 40, and 80 mM). Performance of the plants was even better when both bacteria were used in combination. At the reproductive stage, the plants also showed better phenology in presence of the inoculated bacteria. Under stress (50 mM NaCl), these plants showed significantly greater plant height, lower spikelet damage, and yield reduction compared to untreated plants. The identified
Halobacillus
strains can therefore be used to improve the yield of rice by exploiting their plant growth promotion activities in coastal areas affected by moderate salinity, such as those with an ionic conductivity of up to 5 dS m
−1
. |
| doi_str_mv | 10.1007/s13213-018-1358-7 |
| format | Article |
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Oryza sativa
L). Application of plant growth-promoting rhizobacteria (PGPR) to ameliorate the effects of salt stress on sensitive rice can be both effective and sustainable. In this study, 20 bacterial strains were isolated from the soil of saline-prone regions of Satkhira, north of the Sundarbans in coastal Bangladesh. Three bacteria among these grew well in the presence of 3 M salt (NaCl) and were Gram positive and non-motile. Their 16S rRNA sequence revealed that they belong to the
Halobacillus
genus. Two of them were identified as
Halobacillus dabanensis strain SB-26
and the other one as
Halobacillus
sp.
GSP 34
. A couple of mechanisms by which these microbes could play beneficial role if associated with plants, such as nitrogen fixation and indole acetic acid (IAA) production, were identified. The two bacterial strains showed positive results for nitrogen fixation and indole acetic acid (IAA) activity under salt stress. Their effect on the physiology and yield of a farmer popular but sensitive BRRI dhan 28 rice variety was investigated under both control and salt stress. At the seedling stage, inoculated plants had significantly greater root length, shoot height, total weight, chlorophyll content, but lower electrolyte leakage both in control and salt stress (0, 40, and 80 mM). Performance of the plants was even better when both bacteria were used in combination. At the reproductive stage, the plants also showed better phenology in presence of the inoculated bacteria. Under stress (50 mM NaCl), these plants showed significantly greater plant height, lower spikelet damage, and yield reduction compared to untreated plants. The identified
Halobacillus
strains can therefore be used to improve the yield of rice by exploiting their plant growth promotion activities in coastal areas affected by moderate salinity, such as those with an ionic conductivity of up to 5 dS m
−1
.</description><identifier>ISSN: 1590-4261</identifier><identifier>EISSN: 1869-2044</identifier><identifier>DOI: 10.1007/s13213-018-1358-7</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Abiotic stress ; Acetic acid ; Analysis ; Applied Microbiology ; Bacteria ; Biomedical and Life Sciences ; Chlorophyll ; Electric properties ; Electrolytes ; Fixation ; Growth ; Indoleacetic acid ; Life Sciences ; Medical Microbiology ; Microbial Ecology ; Microbial Genetics and Genomics ; Microbiology ; Mycology ; Nitrogen ; Nitrogen fixation ; Original Article ; Oryza sativa ; Physiological aspects ; Plant growth ; Rice ; RNA ; rRNA 16S ; Saline soils ; Salinity ; Salinity effects ; Salt ; Seedlings ; Sodium chloride ; Soil salinity ; Soils, Salts in ; Strains (organisms)</subject><ispartof>Annals of microbiology, 2018-09, Vol.68 (9), p.525-535</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature and the University of Milan 2018</rights><rights>COPYRIGHT 2018 Springer</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-e6ec7378741886c333663b49c4fe42ea6272daac876ef8a8393e14b68db9fcb43</citedby><cites>FETCH-LOGICAL-c389t-e6ec7378741886c333663b49c4fe42ea6272daac876ef8a8393e14b68db9fcb43</cites><orcidid>0000-0002-1702-8574</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s13213-018-1358-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13213-018-1358-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41120,41488,42189,42557,51319,51576</link.rule.ids><linktorsrc>$$Uhttps://doi.org/10.1007/s13213-018-1358-7$$EView_record_in_Springer_Nature$$FView_record_in_$$GSpringer_Nature</linktorsrc></links><search><creatorcontrib>Rima, Fahmida Sultana</creatorcontrib><creatorcontrib>Biswas, Sudip</creatorcontrib><creatorcontrib>Sarker, Protup Kumer</creatorcontrib><creatorcontrib>Islam, Md. Rakibul</creatorcontrib><creatorcontrib>Seraj, Zeba I.</creatorcontrib><title>Bacteria endemic to saline coastal belt and their ability to mitigate the effects of salt stress on rice growth and yields</title><title>Annals of microbiology</title><addtitle>Ann Microbiol</addtitle><description>Increase in soil salinity adversely affects the metabolism and lowers the yield of rice (
Oryza sativa
L). Application of plant growth-promoting rhizobacteria (PGPR) to ameliorate the effects of salt stress on sensitive rice can be both effective and sustainable. In this study, 20 bacterial strains were isolated from the soil of saline-prone regions of Satkhira, north of the Sundarbans in coastal Bangladesh. Three bacteria among these grew well in the presence of 3 M salt (NaCl) and were Gram positive and non-motile. Their 16S rRNA sequence revealed that they belong to the
Halobacillus
genus. Two of them were identified as
Halobacillus dabanensis strain SB-26
and the other one as
Halobacillus
sp.
GSP 34
. A couple of mechanisms by which these microbes could play beneficial role if associated with plants, such as nitrogen fixation and indole acetic acid (IAA) production, were identified. The two bacterial strains showed positive results for nitrogen fixation and indole acetic acid (IAA) activity under salt stress. Their effect on the physiology and yield of a farmer popular but sensitive BRRI dhan 28 rice variety was investigated under both control and salt stress. At the seedling stage, inoculated plants had significantly greater root length, shoot height, total weight, chlorophyll content, but lower electrolyte leakage both in control and salt stress (0, 40, and 80 mM). Performance of the plants was even better when both bacteria were used in combination. At the reproductive stage, the plants also showed better phenology in presence of the inoculated bacteria. Under stress (50 mM NaCl), these plants showed significantly greater plant height, lower spikelet damage, and yield reduction compared to untreated plants. The identified
Halobacillus
strains can therefore be used to improve the yield of rice by exploiting their plant growth promotion activities in coastal areas affected by moderate salinity, such as those with an ionic conductivity of up to 5 dS m
−1
.</description><subject>Abiotic stress</subject><subject>Acetic acid</subject><subject>Analysis</subject><subject>Applied Microbiology</subject><subject>Bacteria</subject><subject>Biomedical and Life Sciences</subject><subject>Chlorophyll</subject><subject>Electric properties</subject><subject>Electrolytes</subject><subject>Fixation</subject><subject>Growth</subject><subject>Indoleacetic acid</subject><subject>Life Sciences</subject><subject>Medical Microbiology</subject><subject>Microbial Ecology</subject><subject>Microbial Genetics and Genomics</subject><subject>Microbiology</subject><subject>Mycology</subject><subject>Nitrogen</subject><subject>Nitrogen fixation</subject><subject>Original Article</subject><subject>Oryza sativa</subject><subject>Physiological aspects</subject><subject>Plant growth</subject><subject>Rice</subject><subject>RNA</subject><subject>rRNA 16S</subject><subject>Saline soils</subject><subject>Salinity</subject><subject>Salinity effects</subject><subject>Salt</subject><subject>Seedlings</subject><subject>Sodium chloride</subject><subject>Soil salinity</subject><subject>Soils, Salts in</subject><subject>Strains (organisms)</subject><issn>1590-4261</issn><issn>1869-2044</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kU1vFSEUhonRxHr1B7gjceViKgxcPpa1sdqkiYkfa8IwhynN3KHCudHrr5fpmJguDAvg8LwvJ-cl5DVn55wx_a5y0XPRMW46Lvam00_IGTfKdj2T8mk77y3rZK_4c_Ki1jvGlJVWnpHf731AKMlTWEY4pEAx0-rntAAN2Vf0Mx1gRuqXkeItpEL9kOaEpxU8JEyTR1hfKMQIASvNcTVAWrFAbdeFlhSATiX_xNsHn1OCeawvybPo5wqv_u478v3qw7fLT93N54_Xlxc3XRDGYgcKghbaaMmNUUEIoZQYpA0yguzBq173o_fBaAXReCOsAC4HZcbBxjBIsSNvNt_7kn8coaK7y8eytC9dzyxTmvE2uh0536jJz-DSEjMWH9p6mEpeIKZWv9BWcqn2fN8Ebx8JGoPwCyd_rNVdf_3ymOUbG0qutUB09yUdfDk5ztyan9vycy0_t-bndNP0m6Y2dpmg_Gv7_6I_b5OdLw</recordid><startdate>20180901</startdate><enddate>20180901</enddate><creator>Rima, Fahmida Sultana</creator><creator>Biswas, Sudip</creator><creator>Sarker, Protup Kumer</creator><creator>Islam, Md. Rakibul</creator><creator>Seraj, Zeba I.</creator><general>Springer International Publishing</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><orcidid>https://orcid.org/0000-0002-1702-8574</orcidid></search><sort><creationdate>20180901</creationdate><title>Bacteria endemic to saline coastal belt and their ability to mitigate the effects of salt stress on rice growth and yields</title><author>Rima, Fahmida Sultana ; Biswas, Sudip ; Sarker, Protup Kumer ; Islam, Md. Rakibul ; Seraj, Zeba I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-e6ec7378741886c333663b49c4fe42ea6272daac876ef8a8393e14b68db9fcb43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Abiotic stress</topic><topic>Acetic acid</topic><topic>Analysis</topic><topic>Applied Microbiology</topic><topic>Bacteria</topic><topic>Biomedical and Life Sciences</topic><topic>Chlorophyll</topic><topic>Electric properties</topic><topic>Electrolytes</topic><topic>Fixation</topic><topic>Growth</topic><topic>Indoleacetic acid</topic><topic>Life Sciences</topic><topic>Medical Microbiology</topic><topic>Microbial Ecology</topic><topic>Microbial Genetics and Genomics</topic><topic>Microbiology</topic><topic>Mycology</topic><topic>Nitrogen</topic><topic>Nitrogen fixation</topic><topic>Original Article</topic><topic>Oryza sativa</topic><topic>Physiological aspects</topic><topic>Plant growth</topic><topic>Rice</topic><topic>RNA</topic><topic>rRNA 16S</topic><topic>Saline soils</topic><topic>Salinity</topic><topic>Salinity effects</topic><topic>Salt</topic><topic>Seedlings</topic><topic>Sodium chloride</topic><topic>Soil salinity</topic><topic>Soils, Salts in</topic><topic>Strains (organisms)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rima, Fahmida Sultana</creatorcontrib><creatorcontrib>Biswas, Sudip</creatorcontrib><creatorcontrib>Sarker, Protup Kumer</creatorcontrib><creatorcontrib>Islam, Md. Rakibul</creatorcontrib><creatorcontrib>Seraj, Zeba I.</creatorcontrib><collection>CrossRef</collection><collection>Gale In Context: Science</collection><jtitle>Annals of microbiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Rima, Fahmida Sultana</au><au>Biswas, Sudip</au><au>Sarker, Protup Kumer</au><au>Islam, Md. Rakibul</au><au>Seraj, Zeba I.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bacteria endemic to saline coastal belt and their ability to mitigate the effects of salt stress on rice growth and yields</atitle><jtitle>Annals of microbiology</jtitle><stitle>Ann Microbiol</stitle><date>2018-09-01</date><risdate>2018</risdate><volume>68</volume><issue>9</issue><spage>525</spage><epage>535</epage><pages>525-535</pages><issn>1590-4261</issn><eissn>1869-2044</eissn><abstract>Increase in soil salinity adversely affects the metabolism and lowers the yield of rice (
Oryza sativa
L). Application of plant growth-promoting rhizobacteria (PGPR) to ameliorate the effects of salt stress on sensitive rice can be both effective and sustainable. In this study, 20 bacterial strains were isolated from the soil of saline-prone regions of Satkhira, north of the Sundarbans in coastal Bangladesh. Three bacteria among these grew well in the presence of 3 M salt (NaCl) and were Gram positive and non-motile. Their 16S rRNA sequence revealed that they belong to the
Halobacillus
genus. Two of them were identified as
Halobacillus dabanensis strain SB-26
and the other one as
Halobacillus
sp.
GSP 34
. A couple of mechanisms by which these microbes could play beneficial role if associated with plants, such as nitrogen fixation and indole acetic acid (IAA) production, were identified. The two bacterial strains showed positive results for nitrogen fixation and indole acetic acid (IAA) activity under salt stress. Their effect on the physiology and yield of a farmer popular but sensitive BRRI dhan 28 rice variety was investigated under both control and salt stress. At the seedling stage, inoculated plants had significantly greater root length, shoot height, total weight, chlorophyll content, but lower electrolyte leakage both in control and salt stress (0, 40, and 80 mM). Performance of the plants was even better when both bacteria were used in combination. At the reproductive stage, the plants also showed better phenology in presence of the inoculated bacteria. Under stress (50 mM NaCl), these plants showed significantly greater plant height, lower spikelet damage, and yield reduction compared to untreated plants. The identified
Halobacillus
strains can therefore be used to improve the yield of rice by exploiting their plant growth promotion activities in coastal areas affected by moderate salinity, such as those with an ionic conductivity of up to 5 dS m
−1
.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s13213-018-1358-7</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-1702-8574</orcidid></addata></record> |
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| identifier | ISSN: 1590-4261 |
| ispartof | Annals of microbiology, 2018-09, Vol.68 (9), p.525-535 |
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| source | Springer Nature OA Free Journals |
| subjects | Abiotic stress Acetic acid Analysis Applied Microbiology Bacteria Biomedical and Life Sciences Chlorophyll Electric properties Electrolytes Fixation Growth Indoleacetic acid Life Sciences Medical Microbiology Microbial Ecology Microbial Genetics and Genomics Microbiology Mycology Nitrogen Nitrogen fixation Original Article Oryza sativa Physiological aspects Plant growth Rice RNA rRNA 16S Saline soils Salinity Salinity effects Salt Seedlings Sodium chloride Soil salinity Soils, Salts in Strains (organisms) |
| title | Bacteria endemic to saline coastal belt and their ability to mitigate the effects of salt stress on rice growth and yields |
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