Molecular Basis of Apomixis in Plants
Apomixis is the consequence of a concerted mechanism that harnesses the sexual machinery and coordinates developmental steps in the ovule to produce an asexual (clonal) seed. Altered sexual developments involve widely characterized functional and anatomical changes in meiosis, gametogenesis, and emb...
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| Formato: | Online |
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| Idioma: | inglés |
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MDPI - Multidisciplinary Digital Publishing Institute
2022
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| Acceso en liña: | ONIX_20220111_9783036515083_526 |
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| collection | Directory of Open Access Books |
| description | Apomixis is the consequence of a concerted mechanism that harnesses the sexual machinery and coordinates developmental steps in the ovule to produce an asexual (clonal) seed. Altered sexual developments involve widely characterized functional and anatomical changes in meiosis, gametogenesis, and embryo and endosperm formation. The ovules of apomictic plants skip meiosis and form unreduced female gametophytes whose egg cells develop into a parthenogenetic embryo, and the central cells may or may not fuse to a sperm to develop the seed endosperm. Thus, functional apomixis involves at least three components, apomeiosis, parthenogenesis, and endosperm development, modified from sexual reproduction that must be coordinated at the molecular level to progress through the developmental steps and form a clonal seed. Despite recent progress uncovering specific genes related to apomixis-like phenotypes and the formation of clonal seeds, the molecular basis and regulatorynetwork of apomixis is still unknown. This is a central problem underlying the current limitations of apomixis breeding. This book collates twelve publications addressing different topics around the molecular basis of apomixis, illustrating recent discoveries and advances toward understanding the genetic regulation of the trait, discussing the possible origins of apomixis and the remaining challenges for its commercial deployment in plants. |
| format | Online |
| id | doab-20.500.12854ir-76791 |
| institution | Directory of Open Access Books |
| language | eng |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | MDPI - Multidisciplinary Digital Publishing Institute |
| publisherStr | MDPI - Multidisciplinary Digital Publishing Institute |
| record_format | ojs |
| spelling | doab-20.500.12854ir-767912024-03-28T03:33:44Z Molecular Basis of Apomixis in Plants Hojsgaard, Diego apomixis evolution germline gene regulation sporogenesis plant reproduction ribosome RNA helicase sexual development stress response apomeiosis clonal seeds endosperm heterosis capture molecular breeding parthenogenesis differentially expressed genes hybridization microarrays polyploidy Ranunculus sexuality character segregation crop biotechnology heterosis meiosis recombination agamospermy basal angiosperms (ANA-grade) sporocyteless polycomb-group proteins reproductive systems apomixis evolution APOSTART Poa pratensis diplospory autonomous endosperm genetics Taraxacum dandelion weeping lovegrass drought stress RNA-seq plant breeding plant development Hieracium piloselloides CRISPR/Cas9 PHYTOENE DESATURASE (PDS) amplicon sequencing genome editing tissue culture haploid progeny dicotyledon PsASGR-BBML pseudogamy 5-azacytidine abscisic acid apospory expression profiling fluridone metabolic homeostasis oxidative stress sucrose non-fermenting-related protein kinase n/a thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GP Research and information: general Apomixis is the consequence of a concerted mechanism that harnesses the sexual machinery and coordinates developmental steps in the ovule to produce an asexual (clonal) seed. Altered sexual developments involve widely characterized functional and anatomical changes in meiosis, gametogenesis, and embryo and endosperm formation. The ovules of apomictic plants skip meiosis and form unreduced female gametophytes whose egg cells develop into a parthenogenetic embryo, and the central cells may or may not fuse to a sperm to develop the seed endosperm. Thus, functional apomixis involves at least three components, apomeiosis, parthenogenesis, and endosperm development, modified from sexual reproduction that must be coordinated at the molecular level to progress through the developmental steps and form a clonal seed. Despite recent progress uncovering specific genes related to apomixis-like phenotypes and the formation of clonal seeds, the molecular basis and regulatorynetwork of apomixis is still unknown. This is a central problem underlying the current limitations of apomixis breeding. This book collates twelve publications addressing different topics around the molecular basis of apomixis, illustrating recent discoveries and advances toward understanding the genetic regulation of the trait, discussing the possible origins of apomixis and the remaining challenges for its commercial deployment in plants. 2022-01-11T13:42:21Z 2022-01-11T13:42:21Z 2021 book ONIX_20220111_9783036515083_526 9783036515083 9783036515076 https://directory.doabooks.org/handle/20.500.12854/76791 eng image/jpeg Attribution 4.0 International https://mdpi.com/books/pdfview/book/4240 https://mdpi.com/books/pdfview/book/4240 MDPI - Multidisciplinary Digital Publishing Institute 10.3390/books978-3-0365-1507-6 10.3390/books978-3-0365-1507-6 46cabcaa-dd94-4bfe-87b4-55023c1b36d0 9783036515083 9783036515076 300 Basel, Switzerland open access |
| spellingShingle | apomixis evolution germline gene regulation sporogenesis plant reproduction ribosome RNA helicase sexual development stress response apomeiosis clonal seeds endosperm heterosis capture molecular breeding parthenogenesis differentially expressed genes hybridization microarrays polyploidy Ranunculus sexuality character segregation crop biotechnology heterosis meiosis recombination agamospermy basal angiosperms (ANA-grade) sporocyteless polycomb-group proteins reproductive systems apomixis evolution APOSTART Poa pratensis diplospory autonomous endosperm genetics Taraxacum dandelion weeping lovegrass drought stress RNA-seq plant breeding plant development Hieracium piloselloides CRISPR/Cas9 PHYTOENE DESATURASE (PDS) amplicon sequencing genome editing tissue culture haploid progeny dicotyledon PsASGR-BBML pseudogamy 5-azacytidine abscisic acid apospory expression profiling fluridone metabolic homeostasis oxidative stress sucrose non-fermenting-related protein kinase n/a thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GP Research and information: general Molecular Basis of Apomixis in Plants |
| title | Molecular Basis of Apomixis in Plants |
| title_full | Molecular Basis of Apomixis in Plants |
| title_fullStr | Molecular Basis of Apomixis in Plants |
| title_full_unstemmed | Molecular Basis of Apomixis in Plants |
| title_short | Molecular Basis of Apomixis in Plants |
| title_sort | molecular basis of apomixis in plants |
| topic | apomixis evolution germline gene regulation sporogenesis plant reproduction ribosome RNA helicase sexual development stress response apomeiosis clonal seeds endosperm heterosis capture molecular breeding parthenogenesis differentially expressed genes hybridization microarrays polyploidy Ranunculus sexuality character segregation crop biotechnology heterosis meiosis recombination agamospermy basal angiosperms (ANA-grade) sporocyteless polycomb-group proteins reproductive systems apomixis evolution APOSTART Poa pratensis diplospory autonomous endosperm genetics Taraxacum dandelion weeping lovegrass drought stress RNA-seq plant breeding plant development Hieracium piloselloides CRISPR/Cas9 PHYTOENE DESATURASE (PDS) amplicon sequencing genome editing tissue culture haploid progeny dicotyledon PsASGR-BBML pseudogamy 5-azacytidine abscisic acid apospory expression profiling fluridone metabolic homeostasis oxidative stress sucrose non-fermenting-related protein kinase n/a thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GP Research and information: general |
| topic_facet | apomixis evolution germline gene regulation sporogenesis plant reproduction ribosome RNA helicase sexual development stress response apomeiosis clonal seeds endosperm heterosis capture molecular breeding parthenogenesis differentially expressed genes hybridization microarrays polyploidy Ranunculus sexuality character segregation crop biotechnology heterosis meiosis recombination agamospermy basal angiosperms (ANA-grade) sporocyteless polycomb-group proteins reproductive systems apomixis evolution APOSTART Poa pratensis diplospory autonomous endosperm genetics Taraxacum dandelion weeping lovegrass drought stress RNA-seq plant breeding plant development Hieracium piloselloides CRISPR/Cas9 PHYTOENE DESATURASE (PDS) amplicon sequencing genome editing tissue culture haploid progeny dicotyledon PsASGR-BBML pseudogamy 5-azacytidine abscisic acid apospory expression profiling fluridone metabolic homeostasis oxidative stress sucrose non-fermenting-related protein kinase n/a thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GP Research and information: general |
| url | ONIX_20220111_9783036515083_526 |