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2. Molecular isolation of the M gene suggests that a conserved-residue conversion induces the formation of bisexual flowers in cucumber plants

Author

Shiqiang Liu, Huiming Chen, Zhonghua Zhang, Qianyi Tao, Weiwei Zhang, Qiuxiang Shi, Lihuang Zhu, Run Cai, Junsong Pan, Longting Si, Zhiqi Jia, Sanwen Huang, and Zheng Li

Subjects
Molecular Sequence Data, Flowers, medicine.disease_cause, Genes, Plant, Conserved sequence, Notes, Genetics, medicine, Allele, Cloning, Molecular, 1-aminocyclopropane-1-carboxylate synthase, Gene, Alleles, Conserved Sequence, Plant Proteins, Cloning, chemistry.chemical_classification, Mutation, ATP synthase, biology, Base Sequence, Enzyme, chemistry, biology.protein, Cucumis sativus
Abstract

Sex determination in plants involves a variety of mechanisms. Here, we report the map-based cloning and characterization of the unisexual-flower-controlling gene M. M was identified as a previously characterized putative 1-aminocyclopropane-1-carboxylic acid synthase gene, while the m allele that mutated at a conserved site (Gly33Cys) lost activity in the original enzymatically active allele.

Published
2009

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