Induction of 2n female gametes in Populus adenopoda Maxim by high temperature exposure during female gametophyte development.
Identifieur interne : 002629 ( Main/Exploration ); précédent : 002628; suivant : 002630Induction of 2n female gametes in Populus adenopoda Maxim by high temperature exposure during female gametophyte development.
Auteurs : Min Lu [République populaire de Chine] ; Pingdong Zhang ; Xiangyang KangSource :
- Breeding science [ 1344-7610 ] ; 2013.
Abstract
In order to produce triploid plants, 2n female gametes were induced by treating female buds and developing embryo sacs of Populus adenopoda Maxim with high temperature exposure. During megasporogenesis, tests were conducted on the relationship between female gametophyte development and morphological changes of female catkins. In the resulting progeny, 12 triploids were produced, and the highest rate of triploid production was 40%. Cytological observation revealed that the pachytene to diakinesis phase of meiotic stages may be a suitable period for inducing megaspore chromosome doubling through high temperature exposure. On the other hand, catkins of 6-72 h after pollination were treated for inducing embryo sac chromosome doubling. In the offspring seedlings, 51 triploids were detected and the highest efficiency of triploid production was 83.33%. Correlation analysis between the proportion of each embryo sac's developmental stage and the percentage of triploid production indicated that the second mitotic division may be the most effective stage for 2n female gamete induction. Our findings showed that high temperature exposure is an ideal method for 2n female gamete induction. Heterozygous offspring are valuable for breeding programs of P. adenopoda.
DOI: 10.1270/jsbbs.63.96
PubMed: 23641186
PubMed Central: PMC3621450
Affiliations:
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R. China ; Key Laboratory for Genetics and Breeding of Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Biotechnology, Beijing Forestry University , Beijing 100083, P. R. China.</nlm:affiliation><country xml:lang="fr" wicri:curation="lc">République populaire de Chine</country><wicri:regionArea>National Engineering Laboratory for Tree Breeding, Beijing Forestry University , Beijing 100083, P. R. China ; Key Laboratory for Genetics and Breeding of Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Biotechnology, Beijing Forestry University , Beijing 100083</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Zhang, Pingdong" sort="Zhang, Pingdong" uniqKey="Zhang P" first="Pingdong" last="Zhang">Pingdong Zhang</name></author><author><name sortKey="Kang, Xiangyang" sort="Kang, Xiangyang" uniqKey="Kang X" first="Xiangyang" last="Kang">Xiangyang Kang</name></author></analytic><series><title level="j">Breeding science</title><idno type="ISSN">1344-7610</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In order to produce triploid plants, 2n female gametes were induced by treating female buds and developing embryo sacs of Populus adenopoda Maxim with high temperature exposure. During megasporogenesis, tests were conducted on the relationship between female gametophyte development and morphological changes of female catkins. In the resulting progeny, 12 triploids were produced, and the highest rate of triploid production was 40%. Cytological observation revealed that the pachytene to diakinesis phase of meiotic stages may be a suitable period for inducing megaspore chromosome doubling through high temperature exposure. On the other hand, catkins of 6-72 h after pollination were treated for inducing embryo sac chromosome doubling. In the offspring seedlings, 51 triploids were detected and the highest efficiency of triploid production was 83.33%. Correlation analysis between the proportion of each embryo sac's developmental stage and the percentage of triploid production indicated that the second mitotic division may be the most effective stage for 2n female gamete induction. Our findings showed that high temperature exposure is an ideal method for 2n female gamete induction. Heterozygous offspring are valuable for breeding programs of P. adenopoda.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">23641186</PMID><DateCompleted><Year>2013</Year><Month>05</Month><Day>06</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1344-7610</ISSN><JournalIssue CitedMedium="Print"><Volume>63</Volume><Issue>1</Issue><PubDate><Year>2013</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Breeding science</Title><ISOAbbreviation>Breed Sci</ISOAbbreviation></Journal><ArticleTitle>Induction of 2n female gametes in Populus adenopoda Maxim by high temperature exposure during female gametophyte development.</ArticleTitle><Pagination><MedlinePgn>96-103</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1270/jsbbs.63.96</ELocationID><Abstract><AbstractText>In order to produce triploid plants, 2n female gametes were induced by treating female buds and developing embryo sacs of Populus adenopoda Maxim with high temperature exposure. During megasporogenesis, tests were conducted on the relationship between female gametophyte development and morphological changes of female catkins. In the resulting progeny, 12 triploids were produced, and the highest rate of triploid production was 40%. Cytological observation revealed that the pachytene to diakinesis phase of meiotic stages may be a suitable period for inducing megaspore chromosome doubling through high temperature exposure. On the other hand, catkins of 6-72 h after pollination were treated for inducing embryo sac chromosome doubling. In the offspring seedlings, 51 triploids were detected and the highest efficiency of triploid production was 83.33%. Correlation analysis between the proportion of each embryo sac's developmental stage and the percentage of triploid production indicated that the second mitotic division may be the most effective stage for 2n female gamete induction. Our findings showed that high temperature exposure is an ideal method for 2n female gamete induction. Heterozygous offspring are valuable for breeding programs of P. adenopoda.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Lu</LastName><ForeName>Min</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, Beijing Forestry University , Beijing 100083, P. R. China ; Key Laboratory for Genetics and Breeding of Forest Trees and Ornamental Plants, Ministry of Education, College of Biological Sciences and Biotechnology, Beijing Forestry University , Beijing 100083, P. R. China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Pingdong</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Kang</LastName><ForeName>Xiangyang</ForeName><Initials>X</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>03</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>Japan</Country><MedlineTA>Breed Sci</MedlineTA><NlmUniqueID>9888571</NlmUniqueID><ISSNLinking>1344-7610</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">2n female gamete</Keyword><Keyword MajorTopicYN="N">Populus adenopoda</Keyword><Keyword MajorTopicYN="N">embryo sac</Keyword><Keyword MajorTopicYN="N">high temperature</Keyword><Keyword MajorTopicYN="N">megasporogenesis</Keyword><Keyword MajorTopicYN="N">triploid breeding</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>07</Month><Day>04</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>11</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>5</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>5</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>5</Month><Day>4</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23641186</ArticleId><ArticleId IdType="doi">10.1270/jsbbs.63.96</ArticleId><ArticleId IdType="pii">63_96</ArticleId><ArticleId IdType="pmc">PMC3621450</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Proc Natl Acad Sci U S A. 1932 Mar;18(3):222-9</Citation><ArticleIdList><ArticleId IdType="pubmed">16587665</ArticleId></ArticleIdList></Reference><Reference><Citation>Science. 1983 Jun 3;220(4601):1049-51</Citation><ArticleIdList><ArticleId IdType="pubmed">17754551</ArticleId></ArticleIdList></Reference><Reference><Citation>Theor Appl Genet. 1977 Mar;49(2):53-61</Citation><ArticleIdList><ArticleId IdType="pubmed">24408580</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country><settlement><li>Pékin</li></settlement></list><tree><noCountry><name sortKey="Kang, Xiangyang" sort="Kang, Xiangyang" uniqKey="Kang X" first="Xiangyang" last="Kang">Xiangyang Kang</name><name sortKey="Zhang, Pingdong" sort="Zhang, Pingdong" uniqKey="Zhang P" first="Pingdong" last="Zhang">Pingdong Zhang</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Lu, Min" sort="Lu, Min" uniqKey="Lu M" first="Min" last="Lu">Min Lu</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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