site stats

New inducers of maternal haploids in maize

Web11 apr. 2024 · Currently, two approaches are usually used to develop maize haploid inducer lines. One is through the conventional breeding improvement based on the … Web30 nov. 2024 · It was found that plants with loss of functional Msi2 protein due to a nucleotide polymorphism resulting in the introduction of a premature stop codon in the Msi2 protein, are able to induce haploid offspring after a cross to or with a wild type plant comprising a functional Msi2 protein.

Maize inbred 1PQQS32 - PIONEER HI-BRED INTERNATIONAL, INC.

Web23 feb. 2024 · observed that 0.8% of the seeds resulting from selfed ecs1 ecs2 double mutants produced plants with short siliques and small flowers. These plants were confirmed as haploid plants by flow cytometry and chromosome spreads, raising the question of if ecs1 ecs2 double mutants could be used as haploid inducers. Self and reciprocal crosses … Web1 feb. 2012 · Modern maize inducers have haploid induction rates (HIR) of about 8% on average (e.g., Röber et al. 2005; Prigge et al. 2011). The genetic mechanisms underlying … ticker itau https://3s-acompany.com

Doubled haploid technology for line development in maize: …

WebWe determined haploid induction rates (HIR) in testcrosses of a total of 1061 progenies of four segregating populations involving two temperate haploid inducers, UH400 (HIR = … Web24 feb. 2024 · Since stock 6-driven haploid inducer lines have been widely used in maize breeding, this review mainly focuses on studies about maternal haploid inducer lines … WebGenomics is enabling a renaissance in all disciplines of plant biology. However, many plant genomes are complex and remain recalcitrant to current genomic technologies. The complexities of these nonmodel plant genomes are attributable to gene and genome duplication, heterozygosity, ploidy, and/or repetitive sequences. Methods are available to … the light radio station christmas music

US20240089653A1 - Gene for induction of parthenogenesis, a …

Category:US20240089653A1 - Gene for induction of parthenogenesis, a …

Tags:New inducers of maternal haploids in maize

New inducers of maternal haploids in maize

HAPLOIDY IN MAIZE (ZEA MAYS L BREEDING AND RESEARCH

WebTwo inducer lines were selected as initial material: MHI, as a source of favourable plant traits and high frequency of haploid induction; and Stock 6 (Maize Genetics Cooperation … WebThe inducers possess dominant anthocyanin marker genes allowing haploids to be identified at different stages (dry seeds, seedlings and mature plants), and their haploid …

New inducers of maternal haploids in maize

Did you know?

Web20 jan. 2024 · RESULTS. The current study was designed to test the centromere size model in maize, initially using the GFP-tailswap method. However, this approach is complicated by the fact that it requires both a mutant of native cenh3 and a functional GFP-tailswap transgene that complements the mutant. Another group had already shown some … Webresult of different induction techniques. For maize (Zea mays L.), in situ induction of maternal haploids, results by using a selected inducing genotype (line). The first inducer line was Stock 6 discovered by Coe in 1959, with an induction rate of 2.3%. Over the years through hybridization and selection the induction rate improved. A homozygous

http://agronomyjournal.usamv.ro/pdf/vol.LVI/Art57.pdf Web12 mei 2024 · Maize doubled haploid (DH) lines are usually created in vivo, through crosses with maternal haploid inducers. These inducers have the inherent ability of …

Web25 mrt. 2024 · Doubled haploid (DH) technology in maize takes advantage of in vivo haploid induction (HI) triggered by pollination of donors of interest with inducer genotypes. However, the ability of different donors to be induced—inducibility (IND), varies among germplasm and the underlying molecular mechanisms are still unclear. In this study, the … Web11 apr. 2024 · New insights into the genetics of in vivo induction of maternal haploids, the backbone of doubled haploid technology in maize. Genetics 190, 781–793. doi: …

Web25 mrt. 2024 · Genetic control of maternal haploidy in maize (Zea mays L.) and selection of haploid inducing lines. Theoretical Applied Genetics 76: 404–10. DOI: …

Web1 jul. 2011 · The objective of this study was to determine the in vivo haploid induction ability of three temperate inducers crossed to a diverse set of tropical maize source … ticker itbWeb6 mrt. 2024 · Characterization and fine-mapping of a new Asian rice selfish ... (1966) A genetic analysis of the origin of maternal haploids in maize. Genetics 54:453–464. … ticker itotWebThe inducers possess dominant anthocyanin marker genes allowing haploids to be identified at different stages (dry seeds, seedlings and mature plants), and their haploid … the light reactions are dependent to lightWeb14 jul. 2024 · Several genetic marker systems were proposed and/or used for identification of in vivo maternal haploids in maize, such as R1-nj (Navajo), high oil, red root and … tickeri the palace restaurantWebTwo haploid-inducing lines, MHI and M741H, were used for the production of maternal haploids. Haploids were obtained from all maternal genotypes involved in the … the light reaction begins in photosystem 1http://www.agron.missouri.edu/mnl/84/PDF/15rotarenco.pdf the light reactions produceWebTwo inducer lines have been selected as an initial material – MHI (Chalyk, 1999), as a source of favorable plant traits and the high frequency of haploid induction, and Stock 6 … the light rail seattle