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  Pollen: Structure and Development

Borg, M., & Twell, D. (2011). Pollen: Structure and Development. In M. Cox (Ed.), eLS: Encyclopedia of life sciences. Hoboken, NJ, USA: Wiley.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-000C-9C5A-0 Versions-Permalink: https://hdl.handle.net/21.11116/0000-000C-9D12-F
Genre: Buchkapitel

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Urheber

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 Urheber:
Borg, M1, Autor                 
Twell, D, Autor
Affiliations:
1External Organizations, ou_persistent22              

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Schlagwörter: -
 Zusammenfassung: Pollen grains contain the highly reduced haploid microgametophyte generation in seed plants that establishes the male germline during sexual reproduction. Pollen protects the germline from environmental injury, promotes gamete dispersal and ensures delivery of a pair of sperm cells to the female gametes via the pollen tube. Microgametogenesis is initiated from haploid microspores that undergo one or more asymmetric mitotic divisions followed by differentiation to form a tube cell and a pair of sperm cells. Knowledge of the molecular mechanisms governing microgametogenesis has advanced rapidly through genetic analysis of mutants that disturb cellular patterning and gamete specification in flowering plants and through the application of genome-wide transcriptomic studies. Recent evidence also supports a diverse and significant role for functional small RNA pathways and epigenetic regulation during microgametogenesis. Together these advances are helping to establish models of the gene regulatory networks governing gametophyte development and gamete specification.

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Sprache(n):
 Datum: 2011-10
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1002/9780470015902.a0002039.pub2
 Art des Abschluß: -

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Quelle 1

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Titel: eLS: Encyclopedia of life sciences
Genre der Quelle: Buch
 Urheber:
Cox, M, Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: Hoboken, NJ, USA : Wiley
Seiten: 11 Band / Heft: - Artikelnummer: - Start- / Endseite: - Identifikator: ISBN: 0-333-72621-9
DOI: 10.1002/047001590X