Autotetraploids

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August undefined, 2024

WebFeb 4, 2024 · The effects of whole-genome duplication span multiple levels. Previous study reported that the autotetraploid sour jujube exhibited superior drought tolerance than diploid. However, the difference in water transport system between diploids and autotetraploids and its mechanism remain unclear. Here, … WebJul 1, 2014 · Colchicine is commonly used to induce tetraploidy in breeding lines in Citrus. Early attempts to generate autotetraploids by treating the axillary buds with colchicine ex vitro were performed by Barrett (1974) in monoembryonic cultivars. However, his technique did not produce any non-chimeric tetraploid plants.

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Webautotetraploid noun au· to· tet· ra· ploid ˌȯ-tō-ˈte-trə-ˌplȯid : an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of … WebWhen duplications occur within species, they yield genomes comprising multiple identical or very similar copies of each chromosome ("autopolyploids"). Such … ofgem how many staff

Autotetraploidy - definition of autotetraploidy by The Free Dictionary

WebCurrent systems of estimating gene segregation in autotetraploids usually are based on two extreme methods: chromosome segregation with absolute centromere linkage, or … WebJun 1, 2024 · The autotetraploids showed some morphological changes, as shown by shorter plant stature and thicker leaves 9. Here, efforts were made to assess the salt … ofgem hr director

GENE SEGREGATION IN AUTOTETRAPLOIDS - JSTOR

Autotetraploids and genetic mapping using common AFLP

WebJan 7, 2024 · Compared to diploid plants, tetraploids (own-rooted plants) were characterized with poor growth, especially during first growing season. They had considerably shorter shoots, fewer branches, smaller stem diameter, and reshaped leaves. WebJul 1, 1994 · Research on gene action in autotetraploid alfalfa has demonstrated that favorable alleles in linkage blocks underpin population improvement and increased heterosis. The individual favorable alleles with additive effects also contribute to non-additive complementary gene interactions in linkage blocks. ofgem hydrogen consultationWebFor autotetraploids, there is the option to include double-reduction fraction. For diploids there is the option to compute the dominant relationship matrix (Cockerham, 1954). It follows some usage examples with the ped.mrode. ```{r, eval=FALSE} #Computing additive relationship matrix for diploids (Henderson 1976): Amatrix(ped.mrode, ploidy=2) ofgem heat pump grants

"WebNov 17, 2011 · Such a parallel shift, which is caused by polyploidy per se and whose magnitude is expected to be greater in autotetraploids, may have facilitated sympatric speciation by promoting reproductive isolation of the initially formed polyploids from their diploid parental forms. This process also helps to explain why tetraploid lineages with ... " - Autotetraploids

Autotetraploids

(PDF) Insights into the genetic determination of tuber shape and …

WebApr 11, 2024 · Comparative transcriptome analysis reveals synergistic and disparate defense pathways in the leaves and roots of trifoliate orange (Poncirus trifoliata) autotetraploids with enhanced salt ... WebMay 14, 2024 · autotetraploid. autotetraploid An autopolyploid organism with four similar genomes. They occur either naturally by the spontaneous accidental doubling of a 2 n …

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WebWhen duplications occur within species, they yield genomes comprising multiple identical or very similar copies of each chromosome ("autopolyploids"). Such genomes face special challenges during meiosis, the specialized cellular program that underlies gamete formation for sexual reproduction. WebNov 1, 2003 · The new (C) autotetraploids exhibited a fairly typical autotetraploid meiotic behavior with a high level of multivalent association at metaphase I (79% averaged over …

WebOct 30, 2013 · Tetraploid inheritance has two extremes: disomic in allotetraploids and tetrasomic in autotetraploids. The possibility of mixed, or intermediate, inheritance models has generally been neglected. Web2 days ago · autotetraploid. (ˌɔːtəʊˈtɛtrəˌplɔɪd ) noun. an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of …

WebJan 6, 2024 · Morphological comparisons and physiological comparisons of diploid and autotetraploid leaves showed that the autotetraploid leaves had thicker leaf cuticles and more leaf wax accumulation than the diploid leaves, which could reduce cuticle permeability and improve the drought tolerance of leaves. Weban individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement

WebCurrent systems of estimating gene segregation in autotetraploids usually are based on two extreme methods: chromosome segregation with absolute centromere linkage, or maximum equational segregation with crossing over always occurring between the centromeres and marker genes. The hiatus between the two methods is unacceptable …

WebNov 1, 2003 · The new (C) autotetraploids exhibited a fairly typical autotetraploid meiotic behavior with a high level of multivalent association at metaphase I (79% averaged over the five chromosomes). The frequency of multivalent synapsis at pachytene of prophase I is likely to be even higher, since not all pachytene multivalents necessarily persist to ... ofgem heat pumpsWebApr 9, 2014 · Similar data were observed for Ler autotetraploids, supporting that our observations are due to tetraploidy and not to the ecotype (Supporting Information Fig. S1). Figure 1. Open in figure viewer PowerPoint. Tetraploidy in Arabidopsis plants promotes alterations in cell proliferation, organ size and gene expression. ofgem heating grantWebMay 8, 2013 · In order to identify each allele in tetraploids a simulation model suggested a read depth of at least 15× [13]. However, accurate genotyping ( p = 0.95) of an … ofgem innovation vision 2021 – 2025WebJun 1, 2024 · The autotetraploids showed some morphological changes, as shown by shorter plant stature and thicker leaves 9. Here, efforts were made to assess the salt tolerance of tetraploid plants at three... ofgem interconnector licenceWebDec 20, 2024 · The autotetraploids are fully tetrasomic and originated in the Western Carpathians from a single recent WGD event 16 (~60 kyr ago). They rapidly expanded and now occupy a broader ecological range ... Metrics - Relaxed purifying selection in autopolyploids drives ... - Nature ofgem in northern irelandWebApr 9, 2024 · We referenced the germplasm bank for C. paliurus, including diploids (2n = 32) and autotetraploids (4n = 64), which is located in Baima, Nanjing, Jiangsu Province, China (119°09′ E, 31°35′ N). Fresh leaves from two ploidy plants were collected in May and September 2024, respectively. The collected samples were stored in liquid nitrogen ... ofgem interconnectorsWebDec 10, 2024 · Autotetraploids significantly dropped in m6A while diploids showed no significant difference under salt stress and stress recovery, suggesting that m6A might play an important role in regulating autopolyploid H. bulbosum in response to salt stress better than diploids. The mechanisms underlying how salt stress induces expression change of … ofgem innovation sandbox