Identification of candidate genes responsible for chasmogamy in wheat

Abstract Background The flowering biology of wheat plants favours self-pollination which causes obstacles in wheat hybrid breeding. Wheat flowers can be divided into two groups, the first one is characterized by flowering and pollination within closed flowers (cleistogamy), while the second one poss...

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Main Authors: Magdalena Szeliga, Beata Bakera, Magdalena Święcicka, Mirosław Tyrka, Monika Rakoczy-Trojanowska
Format: Article
Language:English
Published: BMC 2023-04-01
Series:BMC Genomics
Subjects:
Online Access:https://doi.org/10.1186/s12864-023-09252-1
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author Magdalena Szeliga
Beata Bakera
Magdalena Święcicka
Mirosław Tyrka
Monika Rakoczy-Trojanowska
author_facet Magdalena Szeliga
Beata Bakera
Magdalena Święcicka
Mirosław Tyrka
Monika Rakoczy-Trojanowska
author_sort Magdalena Szeliga
collection DOAJ
description Abstract Background The flowering biology of wheat plants favours self-pollination which causes obstacles in wheat hybrid breeding. Wheat flowers can be divided into two groups, the first one is characterized by flowering and pollination within closed flowers (cleistogamy), while the second one possesses the ability to open flowers during processes mentioned above (chasmogamy). The swelling of lodicules is involved in the flowering of cereals and among others their morphology, calcium and potassium content differentiate between cleistogamic and non-cleistogamous flowers. A better understanding of the chasmogamy mechanism can lead to the development of tools for selection of plants with the desired outcrossing rate. To learn more, the sequencing of transcriptomes (RNA-Seq) and Representational Difference Analysis products (RDA-Seq) were performed to investigate the global transcriptomes of wheat lodicules in two highly chasmogamous (HCH, Piko and Poezja) and two low chasmogamous (LCH, Euforia and KWS Dacanto) varieties at two developmental stages—pre-flowering and early flowering. Results The differentially expressed genes were enriched in five, main pathways: “metabolism”, “organismal systems”, “genetic information processing”, “cellular processes” and “environmental information processing”, respectively. Important genes with opposite patterns of regulation between the HCH and LCH lines have been associated with the lodicule development i.e. expression levels of MADS16 and MADS58 genes may be responsible for quantitative differences in chasmogamy level in wheat. Conclusions We conclude that the results provide a new insight into lodicules involvement in the wheat flowering process. This study generated important genomic information to support the exploitation of the chasmogamy in wheat hybrid breeding programs.
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spelling doaj.art-059d29add09444278dbdcc58b644c1de2023-04-09T11:09:01ZengBMCBMC Genomics1471-21642023-04-0124112110.1186/s12864-023-09252-1Identification of candidate genes responsible for chasmogamy in wheatMagdalena Szeliga0Beata Bakera1Magdalena Święcicka2Mirosław Tyrka3Monika Rakoczy-Trojanowska4Rzeszow University of TechnologyFaculty of Biology, Institute of Experimental Plant Biology and Biotechnology, University of WarsawWarsaw University of Life SciencesRzeszow University of TechnologyWarsaw University of Life SciencesAbstract Background The flowering biology of wheat plants favours self-pollination which causes obstacles in wheat hybrid breeding. Wheat flowers can be divided into two groups, the first one is characterized by flowering and pollination within closed flowers (cleistogamy), while the second one possesses the ability to open flowers during processes mentioned above (chasmogamy). The swelling of lodicules is involved in the flowering of cereals and among others their morphology, calcium and potassium content differentiate between cleistogamic and non-cleistogamous flowers. A better understanding of the chasmogamy mechanism can lead to the development of tools for selection of plants with the desired outcrossing rate. To learn more, the sequencing of transcriptomes (RNA-Seq) and Representational Difference Analysis products (RDA-Seq) were performed to investigate the global transcriptomes of wheat lodicules in two highly chasmogamous (HCH, Piko and Poezja) and two low chasmogamous (LCH, Euforia and KWS Dacanto) varieties at two developmental stages—pre-flowering and early flowering. Results The differentially expressed genes were enriched in five, main pathways: “metabolism”, “organismal systems”, “genetic information processing”, “cellular processes” and “environmental information processing”, respectively. Important genes with opposite patterns of regulation between the HCH and LCH lines have been associated with the lodicule development i.e. expression levels of MADS16 and MADS58 genes may be responsible for quantitative differences in chasmogamy level in wheat. Conclusions We conclude that the results provide a new insight into lodicules involvement in the wheat flowering process. This study generated important genomic information to support the exploitation of the chasmogamy in wheat hybrid breeding programs.https://doi.org/10.1186/s12864-023-09252-1Wheat breedingCleistogamyChasmogamyLodiculesRNA-SeqRDA-Seq
spellingShingle Magdalena Szeliga
Beata Bakera
Magdalena Święcicka
Mirosław Tyrka
Monika Rakoczy-Trojanowska
Identification of candidate genes responsible for chasmogamy in wheat
BMC Genomics
Wheat breeding
Cleistogamy
Chasmogamy
Lodicules
RNA-Seq
RDA-Seq
title Identification of candidate genes responsible for chasmogamy in wheat
title_full Identification of candidate genes responsible for chasmogamy in wheat
title_fullStr Identification of candidate genes responsible for chasmogamy in wheat
title_full_unstemmed Identification of candidate genes responsible for chasmogamy in wheat
title_short Identification of candidate genes responsible for chasmogamy in wheat
title_sort identification of candidate genes responsible for chasmogamy in wheat
topic Wheat breeding
Cleistogamy
Chasmogamy
Lodicules
RNA-Seq
RDA-Seq
url https://doi.org/10.1186/s12864-023-09252-1
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AT mirosławtyrka identificationofcandidategenesresponsibleforchasmogamyinwheat
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