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Article: Cytological Mechanism of Cytoplasmic Inheritance in Pinus tabulaeformis: I. Ultrastructural Aspects and Nucleoids of the Male Gametes

TitleCytological Mechanism of Cytoplasmic Inheritance in Pinus tabulaeformis: I. Ultrastructural Aspects and Nucleoids of the Male Gametes
油松細胞質遺傳的細胞學機理:Ⅰ.雄配子的超微結構和細胞器類核
Authors
Issue Date2000
PublisherScience Press (科學出版社). The Journal's web site is located at http://www.jipb.net/Archive.aspx
Citation
Acta Botanica Sinica, 2000, v. 42 n. 1, p. 23-31 How to Cite?
植物學報, 2000, v. 42 n. 1, p. 23-31 How to Cite?
AbstractThe cytological mechanism of plastid and mitochondrion inheritance in Pinus is an interesting research topic with only a limited number of published articles. The results indicate that the sperms of Pinus tabulaeformis Carr. contain abundant plastids, mitochondria and organelle DNA. These data provide reliable cytological evidence of paternal plastid and mitochondrion inheritance in Pinus. The results are in line with the confirmed general rule of paternal plastid inheritance in Pinaceae. But whether mitochondria in sperm cells can be transmitted into the embryos is an issue needs further developmental studies. Another important finding is that contrary to earlier classification of the male gamete of Pinaceae into the male nuclei type, the results reveal that male gametes in Pinus tabulaeformis are actually cells. However, the sperm cells are only surrounded by plasma membranes without cell walls. The larger leading sperm cell in a pollen tube section is long in shape, with a large amount of cytoplasm; while the second sperm cell is smaller, round in shape and contains less cytoplasm. Whether this feature of the male gamete type could be considered as a representative characteristic of the family is discussed and further conclusions await more experimental evidences from studies on plants from different species.
Persistent Identifierhttp://hdl.handle.net/10722/225429
ISSN
2003 Impact Factor: 0.321
2007 SCImago Journal Rankings: 0.289

 

DC FieldValueLanguage
dc.contributor.authorHu, SY-
dc.contributor.authorGuo, FL-
dc.contributor.authorYuan, ZF-
dc.contributor.authorZee, SY-
dc.date.accessioned2016-05-16T03:41:08Z-
dc.date.available2016-05-16T03:41:08Z-
dc.date.issued2000-
dc.identifier.citationActa Botanica Sinica, 2000, v. 42 n. 1, p. 23-31-
dc.identifier.citation植物學報, 2000, v. 42 n. 1, p. 23-31-
dc.identifier.issn0577-7496-
dc.identifier.urihttp://hdl.handle.net/10722/225429-
dc.description.abstractThe cytological mechanism of plastid and mitochondrion inheritance in Pinus is an interesting research topic with only a limited number of published articles. The results indicate that the sperms of Pinus tabulaeformis Carr. contain abundant plastids, mitochondria and organelle DNA. These data provide reliable cytological evidence of paternal plastid and mitochondrion inheritance in Pinus. The results are in line with the confirmed general rule of paternal plastid inheritance in Pinaceae. But whether mitochondria in sperm cells can be transmitted into the embryos is an issue needs further developmental studies. Another important finding is that contrary to earlier classification of the male gamete of Pinaceae into the male nuclei type, the results reveal that male gametes in Pinus tabulaeformis are actually cells. However, the sperm cells are only surrounded by plasma membranes without cell walls. The larger leading sperm cell in a pollen tube section is long in shape, with a large amount of cytoplasm; while the second sperm cell is smaller, round in shape and contains less cytoplasm. Whether this feature of the male gamete type could be considered as a representative characteristic of the family is discussed and further conclusions await more experimental evidences from studies on plants from different species.-
dc.languageeng-
dc.publisherScience Press (科學出版社). The Journal's web site is located at http://www.jipb.net/Archive.aspx-
dc.relation.ispartofActa Botanica Sinica-
dc.relation.ispartof植物學報-
dc.subject.meshExtrachromosomal Inheritance (染色體外遺傳)-
dc.subject.meshOrganelles (細胞器)-
dc.subject.meshCell Biology (細胞生物學)-
dc.titleCytological Mechanism of Cytoplasmic Inheritance in Pinus tabulaeformis: I. Ultrastructural Aspects and Nucleoids of the Male Gametes-
dc.title油松細胞質遺傳的細胞學機理:Ⅰ.雄配子的超微結構和細胞器類核-
dc.typeArticle-
dc.identifier.emailZee, SSY: botanya@hkucc.hku.hk-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.3321/j.issn:1672-9072.2000.01.004-
dc.identifier.hkuros48000-
dc.identifier.volume42-
dc.identifier.issue1-
dc.identifier.spage23-
dc.identifier.epage31-
dc.publisher.placeBeijing (北京)-

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