Mapping of QTL for kernel abortion caused by in vivo haploid induction in maize (Zea mays L.) Qu, Yanzhi Wu, Penghao Lubberstedt, Thomas Ren, Jiaojiao Liu, Zonghua Tang, Jihua Lubberstedt, Thomas Li, Haochuan Chen, Shaojiang
dc.contributor.department Agronomy 2020-02-10T16:44:32.000 2020-06-29T23:06:43Z 2020-06-29T23:06:43Z Wed Jan 01 00:00:00 UTC 2020 2020-02-05
dc.description.abstract <p>Kernel abortion is common phenomenon <em>in vivo</em> haploid induction and closely linked with haploid induction rate, but little information of kernel abortion is available and its genetic basis still unclear. We used two mapping populations including 186 and 263 F2.3 family lines to analyze the different degree of kernel abortion and identify quantitative trait loci (QTL) responsible for kernel abortion during haploid induction. In total 62 putative QTL, accounting for 3.27–14.70% of the phenotypic variation in kernel abortion traits, were detected across all 10 chromosomes. Ten QTL with over 10% contribution to phenotypic variation were affecting the fifth level of endosperm abortion (EnA5th), endosperm abortion (EnA) and total abortion (TA). Co-localization among kernel abortion traits QTL was observed in both populations and among different kernel abortion types. Five overlaps were indentified in the QTL for kernel abortion traits and HIR traits. Maize chromosome bins 3.01–3.02, 3.04–3.06, 4.05–4.06, 5.03–5.04, 8.06 were QTL hotspots for three or four traits related to the kernel abortion during haploid induction. Total kernel abortion rate (TAR) and HIR showed highly significant positive correlation. These findings may help to reveal haploid induction mechanisms and improve haploid production efficiency.</p>
dc.description.comments <p>This article is published as Qu Y, Wu P, Ren J, Liu Z, Tang J, Lübberstedt T, et al. (2020) Mapping of QTL for kernel abortion caused by <em>in vivo</em> haploid induction in maize (<em>Zea mays</em> L.). PLoS ONE 15(2): e0228411. doi: <a href="">10.1371/journal.pone.0228411</a>.</p>
dc.format.mimetype application/pdf
dc.identifier archive/
dc.identifier.articleid 1681
dc.identifier.contextkey 16498135
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath agron_pubs/632
dc.language.iso en
dc.source.bitstream archive/|||Sat Jan 15 01:20:36 UTC 2022
dc.source.uri 10.1371/journal.pone.0228411
dc.subject.disciplines Agricultural Science
dc.subject.disciplines Agriculture
dc.subject.disciplines Plant Breeding and Genetics
dc.title Mapping of QTL for kernel abortion caused by in vivo haploid induction in maize (Zea mays L.)
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication 4e4330cd-db15-4ac5-8924-41119139cf32
relation.isOrgUnitOfPublication fdd5c06c-bdbe-469c-a38e-51e664fece7a
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