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    Genome-wide identification and analysis of arabidopsis sodium proton antiporter (NHX) and human sodium proton exchanger (NHE) homologs in sorghum bicolor

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    U18ArtKumariGenomewideInthomDev.pdf (3.940Mb)
    Date
    2018-05
    Author
    Kumari, P.H.
    Kumar, S.A.
    Ramesh, K.
    Reddy, P.S.
    Nagaraju, M.
    Prakash, A.B.
    Shah, T.
    Henderson, A.
    Srivastava, R.K.
    Rajasheker, G.
    Chitikineni, A.
    Varshney, Rajeev K.
    Rathnagiri, P.
    Narasu, M.L.
    Kishor, P.B.K.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Na+ transporters play an important role during salt stress and development. The present study is aimed at genome-wide identification, in silico analysis of sodium-proton antiporter (NHX) and sodium-proton exchanger (NHE)-type transporters in Sorghum bicolor and their expression patterns under varied abiotic stress conditions. In Sorghum, seven NHX and nine NHE homologs were identified. Amiloride (a known inhibitor of Na+/H+ exchanger activity) binding motif was noticed in both types of the transporters. Chromosome 2 was found to be a hotspot region with five sodium transporters. Phylogenetic analysis inferred six ortholog and three paralog groups. To gain an insight into functional divergence of SbNHX/NHE transporters, real-time gene expression was performed under salt, drought, heat, and cold stresses in embryo, root, stem, and leaf tissues. Expression patterns revealed that both SbNHXs and SbNHEs are responsive either to single or multiple abiotic stresses. The predicted protein–protein interaction networks revealed that only SbNHX7 is involved in the calcineurin B-like proteins (CBL)- CBL interacting protein kinases (CIPK) pathway. The study provides insights into the functional divergence of SbNHX/NHE transporter genes with tissue specific expressions in Sorghum under different abiotic stress conditions.
    http://dx.doi.org/10.3390/genes9050236
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/3874
    Non-IITA Authors ORCID
    Trushar Shahhttps://orcid.org/0000-0002-0091-7981
    Digital Object Identifier (DOI)
    http://dx.doi.org/10.3390/genes9050236
    Research Themes
    BIOTECH & PLANT BREEDING
    IITA Subjects
    Genetic Improvement; Plant Breeding; Plant Genetic Resources
    Agrovoc Terms
    Abiotic Stress; Sodium; Sorghum Bicolor; Genomes; Arabidopsis
    Regions
    Asia; South Asia
    Countries
    India
    Journals
    Genes
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    • Journal and Journal Articles4469
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