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Population diversity of bacterial endophytes from jute (Corchorus olitorius) and evaluation of their potential role as bioinoculants.

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Title: Population diversity of bacterial endophytes from jute (Corchorus olitorius) and evaluation of their potential role as bioinoculants.
Authors: Haidar, Badrul1, Ferdous, Mahbuba1, Fatema, Babry1, Ferdous, Ahlan Sabah1, Islam, Mohammad Riazul1, Khan, Haseena1 haseena@du.ac.bd
Source: Microbiological Research. Mar2018, Vol. 208, p43-53. 11p.
Subjects: Tossa jute, Endophytes, Jute plant, Staphylococcus, Aminocyclopropanecarboxylate synthase
Abstract: Endophytes are bacterial or fungal organisms associated with plants in an obligate or facultative manner. In order to maintain a stable symbiosis, many of the endophytes produce compounds that promote plant growth and help them adapt better to the environment. This study was conducted to explore the potential of jute bacterial endophytes for their growth promotion ability in direct and indirect ways. A total of 27 different bacterial species were identified from different varieties of a jute plant ( Corchorus olitorius ) and different parts of the plant (leaf, root, seed, and seedling) based on 16S rRNA gene sequence. Two of the isolates showed ACC deaminase activity with Staphylococcus pasteuri strain MBL_B3 and Ralstonia solanacearum strain MBL_B6 producing 18.1 and 8.08 μM mg −1  h −1 α-ketobutyrate respectively while eighteen had the ACC deaminase gene ( acdS ). Fourteen were positive for siderophore activity while Kocuria sp. strain MBL_B19 (133.36 μg/ml) and Bacillus sp. strain MBL_B17 (124.72 μg/ml) showed high IAA production ability. Seven bacterial strains were able to fix nitrogen with only one testing positive for nifH gene. Five isolates exhibited phosphorus utilization ability with Bacillus sp. strain MBL_B17 producing 218.47 μg P/ml. Three bacteria were able to inhibit the growth of a phytopathogen, Macrophomina phaseolina and among them Bacillus subtilis strain MBL_B4 was found to be the most effective, having 82% and 53% of relative inhibition ratio (RIR) and percent growth inhibition (PGI) values respectively. Nine bacteria were tested for their in vivo growth promotion ability and most of these isolates increased seed germination potential and vigour index significantly. Bacillus subtilis strain MBL_B13 showed 26.8% more vigour index than the control in which no bacterial inoculum was used. All inoculants were found to increase the dry weight of jute seedlings in comparison to the control plants and the most increase in fresh weight was found for Staphylococcus saprophyticus strain MBL_B9. Staphylococcus pasteuri strain MBL_B3 exhibited diverse in vitro growth promotion activity and significant growth promoting effect in in vivo pot experiments. These bacterial strains with plant growth enhancing abilities have the potential to be used as bioinoculants. [ABSTRACT FROM AUTHOR]
Copyright of Microbiological Research is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Population diversity of bacterial endophytes from jute (Corchorus olitorius) and evaluation of their potential role as bioinoculants.
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  Data: <searchLink fieldCode="AR" term="%22Haidar%2C+Badrul%22">Haidar, Badrul</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ferdous%2C+Mahbuba%22">Ferdous, Mahbuba</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Fatema%2C+Babry%22">Fatema, Babry</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ferdous%2C+Ahlan+Sabah%22">Ferdous, Ahlan Sabah</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Islam%2C+Mohammad+Riazul%22">Islam, Mohammad Riazul</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Khan%2C+Haseena%22">Khan, Haseena</searchLink><relatesTo>1</relatesTo><i> haseena@du.ac.bd</i>
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  Data: <searchLink fieldCode="JN" term="%22Microbiological+Research%22">Microbiological Research</searchLink>. Mar2018, Vol. 208, p43-53. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Tossa+jute%22">Tossa jute</searchLink><br /><searchLink fieldCode="DE" term="%22Endophytes%22">Endophytes</searchLink><br /><searchLink fieldCode="DE" term="%22Jute+plant%22">Jute plant</searchLink><br /><searchLink fieldCode="DE" term="%22Staphylococcus%22">Staphylococcus</searchLink><br /><searchLink fieldCode="DE" term="%22Aminocyclopropanecarboxylate+synthase%22">Aminocyclopropanecarboxylate synthase</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Endophytes are bacterial or fungal organisms associated with plants in an obligate or facultative manner. In order to maintain a stable symbiosis, many of the endophytes produce compounds that promote plant growth and help them adapt better to the environment. This study was conducted to explore the potential of jute bacterial endophytes for their growth promotion ability in direct and indirect ways. A total of 27 different bacterial species were identified from different varieties of a jute plant ( Corchorus olitorius ) and different parts of the plant (leaf, root, seed, and seedling) based on 16S rRNA gene sequence. Two of the isolates showed ACC deaminase activity with Staphylococcus pasteuri strain MBL_B3 and Ralstonia solanacearum strain MBL_B6 producing 18.1 and 8.08 μM mg −1  h −1 α-ketobutyrate respectively while eighteen had the ACC deaminase gene ( acdS ). Fourteen were positive for siderophore activity while Kocuria sp. strain MBL_B19 (133.36 μg/ml) and Bacillus sp. strain MBL_B17 (124.72 μg/ml) showed high IAA production ability. Seven bacterial strains were able to fix nitrogen with only one testing positive for nifH gene. Five isolates exhibited phosphorus utilization ability with Bacillus sp. strain MBL_B17 producing 218.47 μg P/ml. Three bacteria were able to inhibit the growth of a phytopathogen, Macrophomina phaseolina and among them Bacillus subtilis strain MBL_B4 was found to be the most effective, having 82% and 53% of relative inhibition ratio (RIR) and percent growth inhibition (PGI) values respectively. Nine bacteria were tested for their in vivo growth promotion ability and most of these isolates increased seed germination potential and vigour index significantly. Bacillus subtilis strain MBL_B13 showed 26.8% more vigour index than the control in which no bacterial inoculum was used. All inoculants were found to increase the dry weight of jute seedlings in comparison to the control plants and the most increase in fresh weight was found for Staphylococcus saprophyticus strain MBL_B9. Staphylococcus pasteuri strain MBL_B3 exhibited diverse in vitro growth promotion activity and significant growth promoting effect in in vivo pot experiments. These bacterial strains with plant growth enhancing abilities have the potential to be used as bioinoculants. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Microbiological Research is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.micres.2018.01.008
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 43
    Subjects:
      – SubjectFull: Tossa jute
        Type: general
      – SubjectFull: Endophytes
        Type: general
      – SubjectFull: Jute plant
        Type: general
      – SubjectFull: Staphylococcus
        Type: general
      – SubjectFull: Aminocyclopropanecarboxylate synthase
        Type: general
    Titles:
      – TitleFull: Population diversity of bacterial endophytes from jute (Corchorus olitorius) and evaluation of their potential role as bioinoculants.
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            NameFull: Haidar, Badrul
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            NameFull: Ferdous, Mahbuba
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            NameFull: Fatema, Babry
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            NameFull: Ferdous, Ahlan Sabah
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            NameFull: Islam, Mohammad Riazul
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            NameFull: Khan, Haseena
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            – D: 15
              M: 03
              Text: Mar2018
              Type: published
              Y: 2018
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              Value: 208
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            – TitleFull: Microbiological Research
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