Insights into the molecular basis of hypergravity-induced root growth phenotype in bread wheat (Triticum aestivum L.).

Bread Cell Wall / genetics Gene Expression Regulation, Plant Hypergravity Phenotype Triticum / metabolism
Hypergravity RNA-Seq Root Wheat

Journal

Genomics
ISSN: 1089-8646
Titre abrégé: Genomics
Pays: United States
ID NLM: 8800135

Informations de publication

Date de publication:
03 2022
Historique:
received: 08 09 2021
revised: 23 01 2022
accepted: 01 02 2022
pubmed: 11 2 2022
medline: 26 4 2022
entrez: 10 2 2022
Statut: ppublish

Résumé

Hypergravity is a condition where the force of gravity exceeds that on the surface of the Earth and can be simulated by centrifugation. Previously, a significant increase in root growth phenotype was observed when wheat seeds were exposed to hypergravity (10 g for 12 h). In the present study, we investigated the molecular basis of this change through root transcriptome. The data revealed a total of 3765 up-regulated and 2102 down-regulated transcripts in response to hypergravity. GO enrichment analysis revealed hormonal responses, cell division, and cell-wall-related terms were significantly enriched in hypergravity. The increased isoform level expression of transcripts involved in auxin biosynthesis, transport, and signaling was observed. Further, enhanced expression of cell division transcripts and down-regulation of cell number regulator genes suggests rapid cell division. Overexpression of cellulose and hemicellulose biosynthesis transcripts suggests demand for cell-wall constituents. Collectively, this study identified candidate genes associated with hypergravity-induced enhanced root growth.

Identifiants

DOI: 10.1016/j.ygeno.2022.110307 PMID: 35143884
pubmed: 35143884
pii: S0888-7543(22)00052-0
doi: 10.1016/j.ygeno.2022.110307
pii:
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

110307

Informations de copyright

Copyright © 2022. Published by Elsevier Inc.

Auteurs

Malarvizhi Sathasivam (M)

Institute of Agricultural Biotechnology (IABT), University of Agricultural Sciences, Dharwad, Karnataka 580005, India.

Basavalingayya K Swamy (BK)

Institute of Agricultural Biotechnology (IABT), University of Agricultural Sciences, Dharwad, Karnataka 580005, India.

Kushagra Krishnan (K)

School of Computational & Integrative Sciences, Jawaharlal Nehru University, New Delhi 110067, India.

Rita Sharma (R)

Department of Biological Sciences, Birla Institute of Technology and Science, Pilani Campus, Rajasthan 333031, India.

Spurthi N Nayak (SN)

Institute of Agricultural Biotechnology (IABT), University of Agricultural Sciences, Dharwad, Karnataka 580005, India.

D S Uppar (DS)

Department of Seed Science and Technology, University of Agricultural Sciences, Dharwad, Karnataka 580005, India.

Ravikumar Hosamani (R)

Institute of Agricultural Biotechnology (IABT), University of Agricultural Sciences, Dharwad, Karnataka 580005, India. Electronic address: hosamanirr@uasd.in.

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Classifications MeSH

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