The detection of haploids in maize
WebThe identification for haploid seeds is an important process in maize haploid breeding. Thanks to the diffuse transmission (DT) technology of near-infrared (NIR) spectroscopy, … WebJul 17, 2024 · In industrial DH production, haploid detection is commonly performed using the dominant color marker gene R1-navajo introduced in numerous modern inducer lines. This marker confers purple/red pigmentation of the tip of the aleurone layer of the endosperm and the scutellum of the embryo.
The detection of haploids in maize
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WebJan 1, 2024 · In maize, only if all 10 univalent chromosomes move into one cell during anaphase I at the first meiosis stage can regular gametes be produced; however, the … Web(Inducer lines), is unique to maize (Hu et al, 2016; Kelliher et al, 2024). There are two approaches for in vivo haploid induction in maize resulting in paternal or maternal haploids respectively (Rober et al, 2005; Zhang et al, 2008). In maternal haploids, the genomes originate exclusively from the seed parent plant. Haploid induction
WebApr 14, 2024 · Accurately and rapidly counting the number of maize tassels is critical for maize breeding, management, and monitoring the growth stage of maize plants. With the advent of high-throughput phenotyping platforms and the availability of large-scale datasets, there is a pressing need to automate this task for genotype and phenotype analysis. … WebJul 9, 2024 · A MATL gene mutation was found to induce haploids in maize. Now, knocking out the MATL orthologue in rice results in haploid induction at a rate of 2–6%, suggesting the functional conservation ...
WebApr 12, 2024 · Oil is one of the main components in maize kernels. Increasing the total oil content (TOC) is favorable to optimize feeding requirement by improving maize quality. To better understand the genetic basis of TOC, quantitative trait loci (QTL) in four double haploid (DH) populations were explored. TOC exhibited continuously and approximately … WebFeb 23, 2024 · Since the number of haploids cannot be explained just by semigamous zygotes, and based on the detection of aneuploidies in selfed ecs1 ecs2 double mutants, the authors suggest chromosome elimination as an additional source mechanism (Figure 1B), but further research will be needed to clarify the haploid production mechanisms.
WebMore recently, quantitative trait loci (QTL) have been genetically and physically mapped and used to control the induction of maternal haploids in maize. Further, the gene matrilineal (MTL) underlying this QTL has been isolated by three independent research groups.
WebFeb 1, 2013 · Couto et al. (2013) working with maize applied the cytometry to identify haploids and to correlate the DNA content with the morphological and morphometric characters of the seeds that... commodore way owner llcWebAffordable TaqMan Assays for All of Your qPCR Needs commodore waterfront key westWebJun 12, 2024 · Doubled haploid technology is widely applied in maize. The haploid inducer lines play critical roles in doubled haploid breeding. We report the development of specialized haploid inducer lines that enhance the purple pigmentation of crossing immature embryos. During the development of haploid induce … commodore watsonWebMar 1, 2024 · A screening solution for maize haploid based on NMR spectrum analysis is proposed. • NMR spectrum can be used to identify haploid kernel induced by conventional inducer. • Multi-manifold can better reserve internal features of different categories of data. • Haploid identification under different oil content overlapping degrees are discussed. 1. dts soccer campWebNov 28, 2016 · The importance of haploid and doubled haploid (DH) techniques for basic and applied research, as well as to improve the speed of genetic gain when applied in breeding programs, cannot be overstated. They have become routine tools in several major crop species, such as maize (Zea mays L.), wheat (Triticum aestivum L.), and barley … dts - softwarecomponent - 1.11.2.0Webusing an existing maize mutant (cenh3-mu1015598) caused by a Robertson’s Mutator (Mu) insertion in the 5′ untranslated region (5′UTR) of the gene (2122, ). They crossed GFP-tailswap into the cenh3-mu1015598 background and observed an average of 0.86% haploids when crossed as a male and no haploids when crossed as a female (21). dts soccer tournamentsWebHaploid genome doubling is a key limiting step of haploid breeding in maize. Spontaneous restoration of haploid male fertility (HMF) provides a more promising method than the … dts sound 1.1.8800