Evidence map›Paper›PMID 40442160›Full record

ArticleScientific reports2025

Genome-wide investigation of cytokinin oxidase/dehydrogenase (CKX) family genes in Brassica juncea with an emphasis on yield-influencing CKX.

Balaji Balamurugan, Mansi Singh, Dwijesh C Mishra, Sandhya Sharma, Kishor Gaikwad, Ganapati Mukri, Mahesh Rao, Navin C Gupta

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Balaji BalamuruganICAR-National Institute for Plant Biotechnology, New Delhi, India.
Mansi SinghICAR-National Institute for Plant Biotechnology, New Delhi, India.
Dwijesh C MishraICAR-Indian Agricultural Statistics Research Institute, New Delhi, India.
Sandhya SharmaICAR-National Institute for Plant Biotechnology, New Delhi, India.
Kishor GaikwadICAR-National Institute for Plant Biotechnology, New Delhi, India.
Ganapati MukriICAR-Indian Agricultural Research Institute, New Delhi, India.
Mahesh RaoICAR-National Institute for Plant Biotechnology, New Delhi, India.
Navin C GuptaICAR-National Institute for Plant Biotechnology, New Delhi, India. navin.gupta@icar.gov.in.ORCID http://orcid.org/0000-0002-6502-448X

Funding

This work was supported by the grants received in general from the Institute ICAR-National Institute for Plant Biotechnology, New Delhi. Institute funded
6 · The paper itself

Abstract

Rapeseed mustard (Brassica juncea) is an important edible oilseed crop whose yield is impacted not only by the biotic and abiotic stresses but the low productivity of the cultivars also has a great impact over it. In the past, cytokinin oxidase/dehydrogenase (CKX) family gene manipulation has increased yield and stress tolerance and has been cloned and characterized in different plant species. Cytokinin oxidase/dehydrogenase (CKX) is an important enzyme regulating cytokinin homeostasis and regulating the yield and tolerance traits in plants. This study demonstrated a comprehensive investigation of the CKX gene family in B. juncea cv. Varuna. As a result, a total of 24 CKX genes were identified across the 36 chromosomes (AABB) and classified into seven distinct subgroups. These seven subgroups were annotated based on their homology with their counterparts present in Arabidopsis thaliana. Expression pattern analysis by RT-qPCR in the high-and low-yielding B. juncea cultivars showed that all 24 CKX expressed differentially in various tissues; most were expressed in leaves, stems and developing siliques. The two functional domains, FAD-binding and Cytokinin-binding domains required for CKX activity, were conserved across the CKX family genes. Our findings systematically revealed the evolutionary dynamics of the BjCKX family genes. They led the foundation for subsequent validation of the CKX for their functional role in yield enhancement in B. juncea.

Indexed as

Multigene FamilyMustard PlantOxidoreductasesPlant ProteinsChromosomes, PlantCytokininsGene Expression ProfilingGene Expression Regulation, PlantGenome, PlantPhylogenycytokinin oxidaseCytokininsOxidoreductasesPlant ProteinsBjCKXBrassica junceaCKXCytokininCytokinin oxidase/dehydrogenaseOilseedRapeseed-mustard

Identifiers

PMID40442160
PMCPMC12123001

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.