Identification of pre-fertilization reproductive barriers and the underlying cytological mechanism in crosses among three petal-types of Jasminum sambac and their relevance to phylogenetic relationships
Crosses among single-, double- and multi-petal jasmine cultivars (Jasminum sambac Aiton) are unable to easily generate hybrids. To identify the reproductive barriers restricting hybrid set, dynamic changes in jasmine pollen viability and pistil receptivity were compared at different flowering stages...
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| creator | Deng, Yanming Sun, Xiaobo Gu, Chunsun Jia, Xinping Liang, Lijian Su, Jiale |
| description | Crosses among single-, double- and multi-petal jasmine cultivars (Jasminum sambac Aiton) are unable to easily generate hybrids. To identify the reproductive barriers restricting hybrid set, dynamic changes in jasmine pollen viability and pistil receptivity were compared at different flowering stages. Pollen-pistil interactions in six reciprocal crosses were also investigated to characterize pollen-stigma compatibility. Additionally, paraffin sections of pollinated embryo sacs were prepared for subsequent analyses of developmental status. Furthermore, pistil cell ultrastructural characteristics were observed to reveal cytological mechanism regulating pistil receptivity and the pollen-pistil interactions. We observed that pollen viability and stigma receptivity varied depending on petal phenotype and flowering stage and were easily lost during flowering. Different reciprocal crosses exhibited varied pollen-stigma compatibilities according to the pollen germination rates. Although some pollen grains germinated normally on maternal stigmas, the pollen tubes were arrested in the pistils and were unable to reach the ovaries. Additionally, the embryo sacs remained unfertilized until degenerating. Therefore, jasmine crosses are affected by pre-fertilization reproductive barriers. Low pollen fertility and poor stigma receptivity are detrimental to pollen germination and pollen-pistil compatibility, indicating they are two factors affecting hybrid set. Ultrastructural observation of the pistil cells revealed that cell death occurred during flowering. Thus, the early and rapid senescence of pistils is likely responsible for the decreased pistil receptivity and inhibited pollen tube growth. These findings may be relevant for future jasmine hybridizations. They provide new insights for the development of methods to overcome reproductive barriers and may also be useful for clarifying the phylogenetic relationships among jasmine cultivars with differing petal phenotypes. |
| doi_str_mv | 10.1371/journal.pone.0176026 |
| format | Article |
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To identify the reproductive barriers restricting hybrid set, dynamic changes in jasmine pollen viability and pistil receptivity were compared at different flowering stages. Pollen-pistil interactions in six reciprocal crosses were also investigated to characterize pollen-stigma compatibility. Additionally, paraffin sections of pollinated embryo sacs were prepared for subsequent analyses of developmental status. Furthermore, pistil cell ultrastructural characteristics were observed to reveal cytological mechanism regulating pistil receptivity and the pollen-pistil interactions. We observed that pollen viability and stigma receptivity varied depending on petal phenotype and flowering stage and were easily lost during flowering. Different reciprocal crosses exhibited varied pollen-stigma compatibilities according to the pollen germination rates. Although some pollen grains germinated normally on maternal stigmas, the pollen tubes were arrested in the pistils and were unable to reach the ovaries. Additionally, the embryo sacs remained unfertilized until degenerating. Therefore, jasmine crosses are affected by pre-fertilization reproductive barriers. Low pollen fertility and poor stigma receptivity are detrimental to pollen germination and pollen-pistil compatibility, indicating they are two factors affecting hybrid set. Ultrastructural observation of the pistil cells revealed that cell death occurred during flowering. Thus, the early and rapid senescence of pistils is likely responsible for the decreased pistil receptivity and inhibited pollen tube growth. These findings may be relevant for future jasmine hybridizations. They provide new insights for the development of methods to overcome reproductive barriers and may also be useful for clarifying the phylogenetic relationships among jasmine cultivars with differing petal phenotypes.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0176026</identifier><identifier>PMID: 28419158</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Agricultural management ; Agriculture ; Agronomy ; Airborne microorganisms ; Anatomy ; Biology and Life Sciences ; Botany ; Cell Survival ; Chilling ; Chips ; Chromosomes ; Coiling ; Comparative analysis ; Cooling ; Crops ; Crosses, Genetic ; Cultivars ; Cuttings ; Demand ; Embryology ; Endosperm ; Fertility ; Fertilization ; Flowering ; Flowers ; Flowers & plants ; Flowers - cytology ; Flowers - embryology ; Flowers - genetics ; Flowers - physiology ; Forestry ; Format ; Fruit trees ; Fruits ; Fungi ; Gametophytes ; Genera ; Genetic resources ; Genomic in situ hybridization ; Germination ; Germplasm ; Grain ; Horticulture ; Hybridization ; Hybrids ; Jasmine ; Jasminum - cytology ; Jasminum - embryology ; Jasminum - genetics ; Jasminum - physiology ; Laboratories ; Leisure ; Low temperature ; Markers ; Mildew ; Ontogeny ; Phenotypes ; Phylogenetics ; Phylogeny ; Physical Sciences ; Physiological aspects ; Plant breeding ; Plant reproduction ; Plant sciences ; Pollen ; Pollen - cytology ; Pollen - embryology ; Pollen - genetics ; Pollen - physiology ; Pollination ; Preservation ; Sea level ; Seeds ; Sorghum ; Tubes ; Viability</subject><ispartof>PloS one, 2017-04, Vol.12 (4), p.e0176026-e0176026</ispartof><rights>COPYRIGHT 2017 Public Library of Science</rights><rights>2017 Deng et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2017 Deng et al 2017 Deng et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c622t-a97a6eba0b6f03356c3bc1a8f66f69e44fe67afdf12651caad6ea3ff1d00da23</citedby><cites>FETCH-LOGICAL-c622t-a97a6eba0b6f03356c3bc1a8f66f69e44fe67afdf12651caad6ea3ff1d00da23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5395215/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5395215/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2928,23866,27924,27925,53791,53793,79472,79473</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28419158$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Niedz, Randall P.</contributor><creatorcontrib>Deng, Yanming</creatorcontrib><creatorcontrib>Sun, Xiaobo</creatorcontrib><creatorcontrib>Gu, Chunsun</creatorcontrib><creatorcontrib>Jia, Xinping</creatorcontrib><creatorcontrib>Liang, Lijian</creatorcontrib><creatorcontrib>Su, Jiale</creatorcontrib><title>Identification of pre-fertilization reproductive barriers and the underlying cytological mechanism in crosses among three petal-types of Jasminum sambac and their relevance to phylogenetic relationships</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Crosses among single-, double- and multi-petal jasmine cultivars (Jasminum sambac Aiton) are unable to easily generate hybrids. To identify the reproductive barriers restricting hybrid set, dynamic changes in jasmine pollen viability and pistil receptivity were compared at different flowering stages. Pollen-pistil interactions in six reciprocal crosses were also investigated to characterize pollen-stigma compatibility. Additionally, paraffin sections of pollinated embryo sacs were prepared for subsequent analyses of developmental status. Furthermore, pistil cell ultrastructural characteristics were observed to reveal cytological mechanism regulating pistil receptivity and the pollen-pistil interactions. We observed that pollen viability and stigma receptivity varied depending on petal phenotype and flowering stage and were easily lost during flowering. Different reciprocal crosses exhibited varied pollen-stigma compatibilities according to the pollen germination rates. Although some pollen grains germinated normally on maternal stigmas, the pollen tubes were arrested in the pistils and were unable to reach the ovaries. Additionally, the embryo sacs remained unfertilized until degenerating. Therefore, jasmine crosses are affected by pre-fertilization reproductive barriers. Low pollen fertility and poor stigma receptivity are detrimental to pollen germination and pollen-pistil compatibility, indicating they are two factors affecting hybrid set. Ultrastructural observation of the pistil cells revealed that cell death occurred during flowering. Thus, the early and rapid senescence of pistils is likely responsible for the decreased pistil receptivity and inhibited pollen tube growth. These findings may be relevant for future jasmine hybridizations. 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cytology</subject><subject>Flowers - embryology</subject><subject>Flowers - genetics</subject><subject>Flowers - physiology</subject><subject>Forestry</subject><subject>Format</subject><subject>Fruit trees</subject><subject>Fruits</subject><subject>Fungi</subject><subject>Gametophytes</subject><subject>Genera</subject><subject>Genetic resources</subject><subject>Genomic in situ hybridization</subject><subject>Germination</subject><subject>Germplasm</subject><subject>Grain</subject><subject>Horticulture</subject><subject>Hybridization</subject><subject>Hybrids</subject><subject>Jasmine</subject><subject>Jasminum - cytology</subject><subject>Jasminum - embryology</subject><subject>Jasminum - genetics</subject><subject>Jasminum - physiology</subject><subject>Laboratories</subject><subject>Leisure</subject><subject>Low temperature</subject><subject>Markers</subject><subject>Mildew</subject><subject>Ontogeny</subject><subject>Phenotypes</subject><subject>Phylogenetics</subject><subject>Phylogeny</subject><subject>Physical Sciences</subject><subject>Physiological aspects</subject><subject>Plant breeding</subject><subject>Plant reproduction</subject><subject>Plant sciences</subject><subject>Pollen</subject><subject>Pollen - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Deng, Yanming</au><au>Sun, Xiaobo</au><au>Gu, Chunsun</au><au>Jia, Xinping</au><au>Liang, Lijian</au><au>Su, Jiale</au><au>Niedz, Randall P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Identification of pre-fertilization reproductive barriers and the underlying cytological mechanism in crosses among three petal-types of Jasminum sambac and their relevance to phylogenetic relationships</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2017-04-18</date><risdate>2017</risdate><volume>12</volume><issue>4</issue><spage>e0176026</spage><epage>e0176026</epage><pages>e0176026-e0176026</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Crosses among single-, double- and multi-petal jasmine cultivars (Jasminum sambac Aiton) are unable to easily generate hybrids. To identify the reproductive barriers restricting hybrid set, dynamic changes in jasmine pollen viability and pistil receptivity were compared at different flowering stages. Pollen-pistil interactions in six reciprocal crosses were also investigated to characterize pollen-stigma compatibility. Additionally, paraffin sections of pollinated embryo sacs were prepared for subsequent analyses of developmental status. Furthermore, pistil cell ultrastructural characteristics were observed to reveal cytological mechanism regulating pistil receptivity and the pollen-pistil interactions. We observed that pollen viability and stigma receptivity varied depending on petal phenotype and flowering stage and were easily lost during flowering. Different reciprocal crosses exhibited varied pollen-stigma compatibilities according to the pollen germination rates. Although some pollen grains germinated normally on maternal stigmas, the pollen tubes were arrested in the pistils and were unable to reach the ovaries. Additionally, the embryo sacs remained unfertilized until degenerating. Therefore, jasmine crosses are affected by pre-fertilization reproductive barriers. Low pollen fertility and poor stigma receptivity are detrimental to pollen germination and pollen-pistil compatibility, indicating they are two factors affecting hybrid set. Ultrastructural observation of the pistil cells revealed that cell death occurred during flowering. Thus, the early and rapid senescence of pistils is likely responsible for the decreased pistil receptivity and inhibited pollen tube growth. These findings may be relevant for future jasmine hybridizations. They provide new insights for the development of methods to overcome reproductive barriers and may also be useful for clarifying the phylogenetic relationships among jasmine cultivars with differing petal phenotypes.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>28419158</pmid><doi>10.1371/journal.pone.0176026</doi><tpages>e0176026</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2017-04, Vol.12 (4), p.e0176026-e0176026 |
| issn | 1932-6203 1932-6203 |
| language | eng |
| recordid | cdi_plos_journals_1889360300 |
| source | MEDLINE; DOAJ Directory of Open Access Journals; Public Library of Science (PLoS) Journals Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Agricultural management Agriculture Agronomy Airborne microorganisms Anatomy Biology and Life Sciences Botany Cell Survival Chilling Chips Chromosomes Coiling Comparative analysis Cooling Crops Crosses, Genetic Cultivars Cuttings Demand Embryology Endosperm Fertility Fertilization Flowering Flowers Flowers & plants Flowers - cytology Flowers - embryology Flowers - genetics Flowers - physiology Forestry Format Fruit trees Fruits Fungi Gametophytes Genera Genetic resources Genomic in situ hybridization Germination Germplasm Grain Horticulture Hybridization Hybrids Jasmine Jasminum - cytology Jasminum - embryology Jasminum - genetics Jasminum - physiology Laboratories Leisure Low temperature Markers Mildew Ontogeny Phenotypes Phylogenetics Phylogeny Physical Sciences Physiological aspects Plant breeding Plant reproduction Plant sciences Pollen Pollen - cytology Pollen - embryology Pollen - genetics Pollen - physiology Pollination Preservation Sea level Seeds Sorghum Tubes Viability |
| title | Identification of pre-fertilization reproductive barriers and the underlying cytological mechanism in crosses among three petal-types of Jasminum sambac and their relevance to phylogenetic relationships |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-07T20%3A46%3A35IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Identification%20of%20pre-fertilization%20reproductive%20barriers%20and%20the%20underlying%20cytological%20mechanism%20in%20crosses%20among%20three%20petal-types%20of%20Jasminum%20sambac%20and%20their%20relevance%20to%20phylogenetic%20relationships&rft.jtitle=PloS%20one&rft.au=Deng,%20Yanming&rft.date=2017-04-18&rft.volume=12&rft.issue=4&rft.spage=e0176026&rft.epage=e0176026&rft.pages=e0176026-e0176026&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0176026&rft_dat=%3Cgale_plos_%3EA490063523%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1889360300&rft_id=info:pmid/28419158&rft_galeid=A490063523&rft_doaj_id=oai_doaj_org_article_3052ec4b4f7d498eb06e63ea68e811dc&rfr_iscdi=true |