Dataset Information

Draft Genome Sequence of Plant Growth-Promoting and Drought-Tolerant Bacillus altitudinis FD48, Isolated from Rice Phylloplane.

ABSTRACT: The genome sequence of a temperature-tolerant strain, Bacillus altitudinis FD48, is described here. The reads were assembled into contigs with a total size of 3.7?Mb. The genome information will aid in understanding its role in alleviating stress in crop plants as a potential bioinoculant for agricultural applications.

SUBMITTER: Kumaravel S

PROVIDER: S-EPMC5834328 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Publications

Draft Genome Sequence of Plant Growth-Promoting and Drought-Tolerant Bacillus altitudinis FD48, Isolated from Rice Phylloplane.

Kumaravel Sowmya S Thankappan Sugitha S Raghupathi Sridar S Uthandi Sivakumar S

Genome announcements 20180301 9

The genome sequence of a temperature-tolerant strain, <i>Bacillus altitudinis</i> FD48, is described here. The reads were assembled into contigs with a total size of 3.7 Mb. The genome information will aid in understanding its role in alleviating stress in crop plants as a potential bioinoculant for agricultural applications. ...[more]

PMID: 29496824

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Project description:Drought stress adversely affects plant health and productivity. Recently, drought-resistant bacterial isolates are used to combat drought resistance in crops. In this in vitro study, 20 bacterial isolates were isolated from harsh soil; their drought tolerance was evaluated using four concentrations of polyethylene glycol (PEG) 6000. The two most efficient isolates (DS4 and DS9) were selected and identified using 16S rRNA genetic sequencing. They were registered in the NCBI database and deposited under accession numbers MW916285 and MW916307 for Bacillus cereus (DS4) and Bacillus albus (DS9), respectively. These isolates were screened for plant growth-promoting properties compared to non-stressed conditions. Biochemical parameters; Proline, salicylic acid, gibberellic acid (GA), indole acetic acid (IAA), antioxidant activity, and antioxidant enzymes were measured under the same conditions, and in vitro seed germination was tested under stress conditions and inoculation with selected isolates. The results showed that under the harsh conditions of PEG6000, DS4 produced the highest amount of IAA of 1.61 µg/ml, followed by DS9 with 0.9 µg/ml. The highest amount of GA (49.95 µg/ml) was produced by DS9. On the other hand, the highest amount of siderophore was produced from DS4 isolate followed by DS9. Additionally, DS4 isolate recorded the highest exopolysaccharide (EPS) content of 3.4 mg/ml under PEG (-1.2 MPa) followed by DS9. The antioxidant activity increased in PEG concentrations depending manner, and the activity of the antioxidant enzymes increased, as catalase (CAT) recorded the highest activity in DS4 with an amount of 1.095 mg/ml. additionally, an increase in biofilm formation was observed under drought conditions. The isolated mixture protected the plant from the harmful effects of drought and showed an increase in the measured variables. Under unstressed conditions, the highest rates of emulsification index (EI 24%) were obtained for DS4 and DS9, at 14.92 and 11.54, respectively, and decreased under stress. The highest values of germination, total seedling length, and vigor index were obtained upon inoculation with the combination of two strains, and were 100%, 4.10 cm, and 410, respectively. Therefore, two strains combination is an effective vaccine capable of developing and improving drought tolerance in dryland plants.

Dataset Information

Draft Genome Sequence of Plant Growth-Promoting and Drought-Tolerant Bacillus altitudinis FD48, Isolated from Rice Phylloplane.

Publications

Draft Genome Sequence of Plant Growth-Promoting and Drought-Tolerant Bacillus altitudinis FD48, Isolated from Rice Phylloplane.

Similar Datasets

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