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Genomics of Crops and Its Wild Relatives

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 2931

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Institute for Sustainable Plant Protect IPSP, CNR, Torino Str Cacce 73, I-10135 Turin, Italy
Interests: genotype-environment interaction
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Special Issue Information

Dear Colleagues,

Wild relatives of crop plants are widely recognized as a fundamental resource for agricultural activity. Traditional landraces have been widely sampled and stored in germplasm collections over previous centuries, but further wild plant collection programs have been planned only recently. Human activity has influenced domesticated and wild forms over thousands of years, and signatures of their activity have been deeply impressed in plant genomes. Both forms are essential to unraveling the mechanisms of the domestication process. For example, genetic and genomic analysis allow us to obtain important information about the time frames and geographic places of domestication areas, the loci of genomes involved in the domestication process, local adaptation events and tolerance to biotic stress as well as the introgression events between lineages and the level of genetic resource conservation. Moreover, epigenetic relationships between wild and domesticated lineages are mostly unexplored, and bioprospecting can reveal unknown bioactive molecules in wild lineages. In this Special Issue, we would like to share exciting new discoveries about genetic and genomics relationships between crops and their wild relatives.

Prof. Dr. Fabrizio Grassi
Dr. Paolo Boccacci
Guest Editors

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Published Papers (1 paper)

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Research

23 pages, 11733 KiB  
Article
Genomic Survey of Flavin Monooxygenases in Wild and Cultivated Rice Provides Insight into Evolution and Functional Diversities
by Yashika Gaba, Bidisha Bhowal, Ashwani Pareek and Sneh Lata Singla-Pareek
Int. J. Mol. Sci. 2023, 24(4), 4190; https://doi.org/10.3390/ijms24044190 - 20 Feb 2023
Cited by 3 | Viewed by 2478
Abstract
The flavin monooxygenase (FMO) enzyme was discovered in mammalian liver cells that convert a carcinogenic compound, N-N′-dimethylaniline, into a non-carcinogenic compound, N-oxide. Since then, many FMOs have been reported in animal systems for their primary role in the detoxification of xenobiotic compounds. In [...] Read more.
The flavin monooxygenase (FMO) enzyme was discovered in mammalian liver cells that convert a carcinogenic compound, N-N′-dimethylaniline, into a non-carcinogenic compound, N-oxide. Since then, many FMOs have been reported in animal systems for their primary role in the detoxification of xenobiotic compounds. In plants, this family has diverged to perform varied functions like pathogen defense, auxin biosynthesis, and S-oxygenation of compounds. Only a few members of this family, primarily those involved in auxin biosynthesis, have been functionally characterized in plant species. Thus, the present study aims to identify all the members of the FMO family in 10 different wild and cultivated Oryza species. Genome-wide analysis of the FMO family in different Oryza species reveals that each species has multiple FMO members in its genome and that this family is conserved throughout evolution. Taking clues from its role in pathogen defense and its possible function in ROS scavenging, we have also assessed the involvement of this family in abiotic stresses. A detailed in silico expression analysis of the FMO family in Oryza sativa subsp. japonica revealed that only a subset of genes responds to different abiotic stresses. This is supported by the experimental validation of a few selected genes using qRT-PCR in stress-sensitive Oryza sativa subsp. indica and stress-sensitive wild rice Oryza nivara. The identification and comprehensive in silico analysis of FMO genes from different Oryza species carried out in this study will serve as the foundation for further structural and functional studies of FMO genes in rice as well as other crop types. Full article
(This article belongs to the Special Issue Genomics of Crops and Its Wild Relatives)
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