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Development and applications of a collection of single copy gene-based cytogenetic DNA markers in garden asparagus.
Front Plant Sci
September 2022
College of Life Sciences, Henan Normal University, Xinxiang, China.
Garden asparagus (, 2n = 2x = 20 chromosomes) is an important dioecious vegetable crop and a model species for studying sex chromosome formation and evolution. However, few molecular cytogenetic studies on garden asparagus have been reported because of its small metaphase chromosomes, the scarcity of distinguished cytogenetic markers, and the high content of repetitive sequences. In this study, a set of single copy genes free of repetitive sequences with sizes ranging from 4.
View Article and Find Full Text PDFKaryological and nuclear DNA content variation of the genus Asparagus.
PLoS One
May 2022
Julius Kühn Institute (JKI)-Federal Research Centre for Cultivated Plants, Institute for Breeding Research on Horticultural Crops, Quedlinburg, Germany.
Asparagus wild relatives could be a promising possibility to extent the genetic variability of garden asparagus and for new cultivars with favorable traits such as high yield stability, disease resistance and stress tolerance. In order to achieve an efficient use in breeding, a detailed cytogenetic characterization of the accessions is necessary. This study worked on 35 Asparagus accessions, including A.
View Article and Find Full Text PDFIntegration of Genetic and Cytogenetic Maps and Identification of Sex Chromosome in Garden Asparagus ( L.).
Front Plant Sci
July 2018
Institute of Experimental Botany, Centre of the Region Haná for Biotechnological and Agricultural Research, Olomouc, Czechia.
A genetic linkage map of dioecious garden asparagus ( L., 2 = 2 = 20) was constructed using F population, simple sequence repeat (SSR) and single nucleotide polymorphism (SNP) markers. In total, 1376 SNPs and 27 SSRs were used for genetic mapping.
View Article and Find Full Text PDFMYB transcription factor gene involved in sex determination in Asparagus officinalis.
Genes Cells
January 2017
Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192, Japan.
Dioecy is a plant mating system in which individuals of a species are either male or female. Although many flowering plants evolved independently from hermaphroditism to dioecy, the molecular mechanism underlying this transition remains largely unknown. Sex determination in the dioecious plant Asparagus officinalis is controlled by X and Y chromosomes; the male and female karyotypes are XY and XX, respectively.
View Article and Find Full Text PDFAssembly and comparative analysis of transposable elements from low coverage genomic sequence data in Asparagales.
Genome
September 2013
National Evolutionary Synthesis Center, 2024 West Main Street, Suite A200, Durham, NC 27705, USA.
The research field of comparative genomics is moving from a focus on genes to a more holistic view including the repetitive complement. This study aimed to characterize relative proportions of the repetitive fraction of large, complex genomes in a nonmodel system. The monocotyledonous plant order Asparagales (onion, asparagus, agave) comprises some of the largest angiosperm genomes and represents variation in both genome size and structure (karyotype).
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