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| http://dx.doi.org/10.1093/genetics/59.4.465 | DOI Listing |
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A breeding method for Ogura CMS restorer line independent of restorer source in .
Front Genet
January 2025
National Rapeseed Genetic Improvement Center, Chengdu Academy of Agriculture and Forestry Sciences, Chengdu Research Branch, Chengdu, China.
The Ogura cytoplasmic male sterility (CMS) line of has gained significant attention for its use in harnessing heterosis. It remains unaffected by temperature and environment and is thorough and stable. The Ogura cytoplasmic restorer line of is derived from the distant hybridization of and , but it carried a large number of radish fragments into , because there is no homologous allele of the restorer gene in , transferring it becomes challenging.
View Article and Find Full Text PDFMultigenerational hybridisation results in heterosis and facilitates adaptive introgression, with no evidence of outbreeding depression in a pair of marine gastropods.
Heredity (Edinb)
January 2025
School of Biological Sciences, The University of Western Australia, Crawley, WA, Australia.
Article Synopsis
- Anthropogenic environmental changes are threatening global species, with translocation causing unintentional hybridisation that can lead to declines, yet hybridisation also has the potential to boost the adaptability of vulnerable species.* -
- A study on the hybridisation between two marine gastropods over 27 years used genetic markers and growth measurements, revealing no signs of outbreeding depression despite significant genetic differences between the species.* -
- The research found initial benefits from hybridisation, indicated by heterosis, but the introduction of Bembicium vittatum alleles decreased over time, although a small percentage showed signs of adaptive introgression, suggesting hybridisation can be beneficial in conservation management.*
Orf116b Induces Pollen Abortion in a Novel Cotton ( L.) Cytoplasmic Male Sterile Line J4A.
Int J Mol Sci
November 2024
State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning 530004, China.
Cytoplasmic male sterile (CMS) systems have great potential in hybrid seed production in many plants. However, the incompatibility between the cytoplasmic and nuclear genes and the availability of fewer CMS lines limit the system's application in cotton heterosis. Therefore, the present study sequenced the mitochondrial (mt) genomes of a novel cotton ( L.
View Article and Find Full Text PDFThe miR3367-lncRNA67-GhCYP724B module regulates male sterility by modulating brassinosteroid biosynthesis and interacting with Aorf27 in Gossypium hirsutum.
J Integr Plant Biol
January 2025
Laboratory of Cotton Genetics, Genomics and Breeding/Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education/Beijing Key Laboratory of Crop Genetic Improvement, College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China.
Cytoplasmic male sterile (CMS) lines play a crucial role in utilization of heterosis in crop plants. However, the mechanism underlying the manipulation of male sterility in cotton by long non-coding RNA (lncRNA) and brassinosteroids (BRs) remains elusive. Here, using an integrative approach combining lncRNA transcriptomic profiles with virus-induced gene silencing experiments, we identify a flower bud-specific lncRNA in the maintainer line 2074B, lncRNA67, negatively modulating with male sterility in upland cotton (Gossypium hirsutum).
View Article and Find Full Text PDFAbsence of heterosis for hypoxia tolerance in F1 hybrids of Tigriopus californicus.
J Hered
October 2024
Department of Biology, University of North Carolina at Chapel Hill, 120 South Rd, CB 3280, Chapel Hill, NC.
Hybridization produces a range of outcomes from advantageous to disadvantageous, and a goal of genetic research is to understand the gene interactions that generate these outcomes. Interactions between cytoplasmic elements, such as mitochondria, and the nucleus may be particularly vulnerable to accruing disadvantageous combinations as a result of their different rates of evolution. However, mitonuclear incompatibilities often do not have an observable effect until the F2 and later generations.
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