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Klebsiella sp. confers enhanced tolerance to salinity and plant growth promotion in oat seedlings (Avena sativa)

Plant growth and yield is adversely affected by soil salinity. Salt tolerant plant growth-promoting rhizobacteria (PGPR) strain IG 3 was isolated from rhizosphere of wheat plants. The isolate IG 3 was able to grow in presence of NaCl ranging from 0 to 20% in Luria Bertani medium. The present study w... Full description

Journal Title: Microbiological research 2018-01, Vol.206, p.25-32
Main Author: Sapre, Swapnil
Other Authors: Gontia-Mishra, Iti , Tiwari, Sharad
Format: Electronic Article Electronic Article
Language: English
Subjects:
Oat
Quelle: Alma/SFX Local Collection
Publisher: Germany: Elsevier GmbH
ID: ISSN: 0944-5013
Link: https://www.ncbi.nlm.nih.gov/pubmed/29146257
Zum Text:
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title: Klebsiella sp. confers enhanced tolerance to salinity and plant growth promotion in oat seedlings (Avena sativa)
format: Article
creator:
  • Sapre, Swapnil
  • Gontia-Mishra, Iti
  • Tiwari, Sharad
subjects:
  • Analysis
  • Antioxidants
  • Avena - chemistry
  • Avena - drug effects
  • Avena - microbiology
  • Avena - physiology
  • Chlorophyll - analysis
  • DNA-Binding Proteins - genetics
  • DNA-Binding Proteins - metabolism
  • Enzymes
  • Genes, Plant - genetics
  • Growth
  • India
  • Klebsiella - isolation & purification
  • Klebsiella - physiology
  • Klebsiella sp
  • Microscopy, Electron, Scanning
  • Oat
  • Oxidative Stress - physiology
  • Peroxidase - metabolism
  • PGPR
  • Physiological aspects
  • Plant Development
  • Plant Proteins - genetics
  • Plant Proteins - metabolism
  • Plant Roots - cytology
  • Plant Roots - growth & development
  • Plant Roots - microbiology
  • Plant Shoots - growth & development
  • Plant Shoots - microbiology
  • rbcL
  • Rhizosphere
  • Root colonization
  • Salinity
  • Salt-Tolerant Plants - drug effects
  • Salt-Tolerant Plants - microbiology
  • Salt-Tolerant Plants - physiology
  • Seedlings - cytology
  • Seedlings - drug effects
  • Seedlings - microbiology
  • Seedlings - physiology
  • Sodium Chloride - pharmacology
  • Soil - chemistry
  • Soil Microbiology
  • Soils, Salts in
  • Stress, Physiological
  • Superoxide Dismutase - metabolism
  • Transcription Factors - genetics
  • Transcription Factors - metabolism
  • Triticum - microbiology
  • WRKY 1
ispartof: Microbiological research, 2018-01, Vol.206, p.25-32
description: Plant growth and yield is adversely affected by soil salinity. Salt tolerant plant growth-promoting rhizobacteria (PGPR) strain IG 3 was isolated from rhizosphere of wheat plants. The isolate IG 3 was able to grow in presence of NaCl ranging from 0 to 20% in Luria Bertani medium. The present study was planned to evaluate the role of inoculation of PGPR strain IG 3 and its efficacy in augmenting salt tolerance in oat (Avena sativa) under NaCl stress (100mM). The physiological parameter such as shoot length, root length, shoot dry weight, root dry weight and relative water content (RWC) were remarkably higher in IG 3 inoculated plants in comparison to un-inoculated plants under NaCl stress. Similarly, the biochemical parameters such as proline content, electrolyte leakage and malondialdehyde (MDA) content and activities of antioxidant enzymes were analyzed and found to be notably lesser in IG 3 inoculated oat plants in contrast to un-inoculated plants under salt stress. Inoculation of IG 3 strain to oat seedlings under salt stress positively modulated the expression profile of rbcL and WRKY1 genes. Root colonization of root surface and interior was demonstrated using scanning electron microscopy and tetrazolium staining, respectively. Due these outcomes, it could be implicated that inoculation of PGPR strain IG 3 enhanced plant growth under salt stress condition. This study demonstrates that PGPR play an imperative function in stimulating salt tolerance in plants and can be used as biofertilizer to enhance growth of crops in saline areas.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0944-5013
fulltext: fulltext
issn:
  • 0944-5013
  • 1618-0623
url: Link


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titleKlebsiella sp. confers enhanced tolerance to salinity and plant growth promotion in oat seedlings (Avena sativa)
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descriptionPlant growth and yield is adversely affected by soil salinity. Salt tolerant plant growth-promoting rhizobacteria (PGPR) strain IG 3 was isolated from rhizosphere of wheat plants. The isolate IG 3 was able to grow in presence of NaCl ranging from 0 to 20% in Luria Bertani medium. The present study was planned to evaluate the role of inoculation of PGPR strain IG 3 and its efficacy in augmenting salt tolerance in oat (Avena sativa) under NaCl stress (100mM). The physiological parameter such as shoot length, root length, shoot dry weight, root dry weight and relative water content (RWC) were remarkably higher in IG 3 inoculated plants in comparison to un-inoculated plants under NaCl stress. Similarly, the biochemical parameters such as proline content, electrolyte leakage and malondialdehyde (MDA) content and activities of antioxidant enzymes were analyzed and found to be notably lesser in IG 3 inoculated oat plants in contrast to un-inoculated plants under salt stress. Inoculation of IG 3 strain to oat seedlings under salt stress positively modulated the expression profile of rbcL and WRKY1 genes. Root colonization of root surface and interior was demonstrated using scanning electron microscopy and tetrazolium staining, respectively. Due these outcomes, it could be implicated that inoculation of PGPR strain IG 3 enhanced plant growth under salt stress condition. This study demonstrates that PGPR play an imperative function in stimulating salt tolerance in plants and can be used as biofertilizer to enhance growth of crops in saline areas.
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subjectAnalysis ; Antioxidants ; Avena - chemistry ; Avena - drug effects ; Avena - microbiology ; Avena - physiology ; Chlorophyll - analysis ; DNA-Binding Proteins - genetics ; DNA-Binding Proteins - metabolism ; Enzymes ; Genes, Plant - genetics ; Growth ; India ; Klebsiella - isolation & purification ; Klebsiella - physiology ; Klebsiella sp ; Microscopy, Electron, Scanning ; Oat ; Oxidative Stress - physiology ; Peroxidase - metabolism ; PGPR ; Physiological aspects ; Plant Development ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Plant Roots - cytology ; Plant Roots - growth & development ; Plant Roots - microbiology ; Plant Shoots - growth & development ; Plant Shoots - microbiology ; rbcL ; Rhizosphere ; Root colonization ; Salinity ; Salt-Tolerant Plants - drug effects ; Salt-Tolerant Plants - microbiology ; Salt-Tolerant Plants - physiology ; Seedlings - cytology ; Seedlings - drug effects ; Seedlings - microbiology ; Seedlings - physiology ; Sodium Chloride - pharmacology ; Soil - chemistry ; Soil Microbiology ; Soils, Salts in ; Stress, Physiological ; Superoxide Dismutase - metabolism ; Transcription Factors - genetics ; Transcription Factors - metabolism ; Triticum - microbiology ; WRKY 1
ispartofMicrobiological research, 2018-01, Vol.206, p.25-32
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descriptionPlant growth and yield is adversely affected by soil salinity. Salt tolerant plant growth-promoting rhizobacteria (PGPR) strain IG 3 was isolated from rhizosphere of wheat plants. The isolate IG 3 was able to grow in presence of NaCl ranging from 0 to 20% in Luria Bertani medium. The present study was planned to evaluate the role of inoculation of PGPR strain IG 3 and its efficacy in augmenting salt tolerance in oat (Avena sativa) under NaCl stress (100mM). The physiological parameter such as shoot length, root length, shoot dry weight, root dry weight and relative water content (RWC) were remarkably higher in IG 3 inoculated plants in comparison to un-inoculated plants under NaCl stress. Similarly, the biochemical parameters such as proline content, electrolyte leakage and malondialdehyde (MDA) content and activities of antioxidant enzymes were analyzed and found to be notably lesser in IG 3 inoculated oat plants in contrast to un-inoculated plants under salt stress. Inoculation of IG 3 strain to oat seedlings under salt stress positively modulated the expression profile of rbcL and WRKY1 genes. Root colonization of root surface and interior was demonstrated using scanning electron microscopy and tetrazolium staining, respectively. Due these outcomes, it could be implicated that inoculation of PGPR strain IG 3 enhanced plant growth under salt stress condition. This study demonstrates that PGPR play an imperative function in stimulating salt tolerance in plants and can be used as biofertilizer to enhance growth of crops in saline areas.
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0Analysis
1Antioxidants
2Avena - chemistry
3Avena - drug effects
4Avena - microbiology
5Avena - physiology
6Chlorophyll - analysis
7DNA-Binding Proteins - genetics
8DNA-Binding Proteins - metabolism
9Enzymes
10Genes, Plant - genetics
11Growth
12India
13Klebsiella - isolation & purification
14Klebsiella - physiology
15Klebsiella sp
16Microscopy, Electron, Scanning
17Oat
18Oxidative Stress - physiology
19Peroxidase - metabolism
20PGPR
21Physiological aspects
22Plant Development
23Plant Proteins - genetics
24Plant Proteins - metabolism
25Plant Roots - cytology
26Plant Roots - growth & development
27Plant Roots - microbiology
28Plant Shoots - growth & development
29Plant Shoots - microbiology
30rbcL
31Rhizosphere
32Root colonization
33Salinity
34Salt-Tolerant Plants - drug effects
35Salt-Tolerant Plants - microbiology
36Salt-Tolerant Plants - physiology
37Seedlings - cytology
38Seedlings - drug effects
39Seedlings - microbiology
40Seedlings - physiology
41Sodium Chloride - pharmacology
42Soil - chemistry
43Soil Microbiology
44Soils, Salts in
45Stress, Physiological
46Superoxide Dismutase - metabolism
47Transcription Factors - genetics
48Transcription Factors - metabolism
49Triticum - microbiology
50WRKY 1
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1Antioxidants
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8DNA-Binding Proteins - metabolism
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abstractPlant growth and yield is adversely affected by soil salinity. Salt tolerant plant growth-promoting rhizobacteria (PGPR) strain IG 3 was isolated from rhizosphere of wheat plants. The isolate IG 3 was able to grow in presence of NaCl ranging from 0 to 20% in Luria Bertani medium. The present study was planned to evaluate the role of inoculation of PGPR strain IG 3 and its efficacy in augmenting salt tolerance in oat (Avena sativa) under NaCl stress (100mM). The physiological parameter such as shoot length, root length, shoot dry weight, root dry weight and relative water content (RWC) were remarkably higher in IG 3 inoculated plants in comparison to un-inoculated plants under NaCl stress. Similarly, the biochemical parameters such as proline content, electrolyte leakage and malondialdehyde (MDA) content and activities of antioxidant enzymes were analyzed and found to be notably lesser in IG 3 inoculated oat plants in contrast to un-inoculated plants under salt stress. Inoculation of IG 3 strain to oat seedlings under salt stress positively modulated the expression profile of rbcL and WRKY1 genes. Root colonization of root surface and interior was demonstrated using scanning electron microscopy and tetrazolium staining, respectively. Due these outcomes, it could be implicated that inoculation of PGPR strain IG 3 enhanced plant growth under salt stress condition. This study demonstrates that PGPR play an imperative function in stimulating salt tolerance in plants and can be used as biofertilizer to enhance growth of crops in saline areas.
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