Genome-Wide Identification and Characterization of the Strigolactone (SL) Pathway and Associated Genes in Sorghum

    Kaniganti, S and Khisti, M and Polavarapu, K K B and Reddy, P S (2024) Genome-Wide Identification and Characterization of the Strigolactone (SL) Pathway and Associated Genes in Sorghum. Current Trends in Biotechnology and Pharmacy, 18 (1). pp. 1518-1530. ISSN 0973-8916

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    Abstract

    Strigolactones (SLs) are a novel class of plant hormones that play critical roles in reg-ulating developmental processes and stress tolerance. Even though the SL-related genes have been identified and characterized in model plants such as Arabidopsis and rice, characteri-zation of SL-related genes in crop plants, partic-ularly dry land crops like sorghum (Sorghum bi-color), have yet to be fully explored. In this study, the SL-pathway and associated genes and their expression patterns under abiotic stress were systematically identified and characterized in the sorghum. This study identified the SL path-way and associated genes, including biosyn-thesis (D27, CCD7, CCD8, MAX1 and LBO) and signaling (D14, MAX2, D53). Phylogenetic analysis revealed that all SL-related genes are highly conserved among plant species. Further-more, the expression analysis showed that most SL-related genes are involved in cold, drought and simulated drought/ABA stress response. These findings provide valuable information for further investigation and functional characteri-zation of SL-biosynthetic and signaling genes in response to abiotic stresses in sorghum.

    Item Type: Article
    Divisions: Global Research Program - Accelerated Crop Improvement
    CRP: UNSPECIFIED
    Uncontrolled Keywords: Sorghum, strigolactones, signaling genes, abiotic stress
    Subjects: Others > Abiotic Stress
    Mandate crops > Sorghum
    Depositing User: Mr Nagaraju T
    Date Deposited: 03 Jul 2024 09:48
    Last Modified: 03 Jul 2024 09:48
    URI: http://oar.icrisat.org/id/eprint/12734
    Official URL: https://www.abap.co.in/index.php/home/article/view...
    Projects: UNSPECIFIED
    Funders: UNSPECIFIED
    Acknowledgement: SK thanks the Department of Biotech-nology (DBT), Government of India, for her DBT fellowship funding (DBT/2017/ICRISAT/973).
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