Record Details

Cytoplasmic male sterility-based hybrids: mechanistic insights

OAR@ICRISAT

View Archive Info
 
 
Field Value
 
Relation http://oar.icrisat.org/12823/
https://link.springer.com/article/10.1007/s00425-024-04532-w
https://doi.org/10.1007/s00425-024-04532-w
 
Title Cytoplasmic male sterility-based hybrids: mechanistic insights
 
Creator Bhattacharya, J
Nitnavare, R B
Bhatnagar-Mathur, P
Reddy, P S
 
Subject Biotechnology
Genetic Engineering
 
Description Main conclusion A comprehensive understanding of the nucleocytoplasmic interactions that occur between genes
related to the restoration of fertility and cytoplasmic male sterility (CMS) provides insight into the development of
hybrids of important crop species. Modern biotechnological techniques allow this to be achieved in an efficient and
quick manner.
Abstract Heterosis is paramount for increasing the yield and quality of a crop. The development of hybrids for achieving
heterosis has been well-studied and proven to be robust and efficient. Cytoplasmic male sterility (CMS) has been explored extensively in the production of hybrids. The underlying mechanisms of CMS include the role of cytotoxic proteins, PCD of tapetal cells, and improper RNA editing of restoration factors. On the other hand, the restoration of fertility is caused by the presence of restorer-of-fertility (Rf) genes or restorer genes, which inhibit the effects of sterility-causing genes. The interaction between mitochondria and the nuclear genome is crucial for several regulatory pathways, as observed in the CMS–Rf system and occurs at the genomic, transcriptional, post-ranscriptional, translational, and post-translational levels. These CMS–Rf mechanisms have been validated in several crop systems. This review aims to summarize the nucleo-mitochondrial interaction mechanism of the CMS–Rf system. It also sheds light on biotechnological interventions, such as genetic engineering and genome editing, to achieve CMS-based hybrids.
 
Publisher Springer
 
Date 2024-09-20
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights cc_attribution
 
Identifier http://oar.icrisat.org/12823/1/Planta_1-21_2024.pdf
Bhattacharya, J and Nitnavare, R B and Bhatnagar-Mathur, P and Reddy, P S (2024) Cytoplasmic male sterility-based hybrids: mechanistic insights. Planta (TSI). pp. 1-21. ISSN 0032-0935