Journal Article

Visualization of Plastids in Pollen Grains: Involvement of FtsZ1 in Pollen Plastid Division

Lay Yin Tang, Noriko Nagata, Ryo Matsushima, Yuling Chen, Yasushi Yoshioka and Wataru Sakamoto

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 50, issue 4, pages 904-908
Published in print April 2009 | ISSN: 0032-0781
Published online March 2009 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pcp042
Visualization of Plastids in Pollen Grains: Involvement of FtsZ1 in Pollen Plastid Division

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  • Biochemistry
  • Molecular and Cell Biology
  • Plant Sciences and Forestry

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Visualizing organelles in living cells is a powerful method to analyze their intrinsic mechanisms. Easy observation of chlorophyll facilitates the study of the underlying mechanisms in chloroplasts, but not in other plastid types. Here, we constructed a transgenic plant enabling visualization of plastids in pollen grains. Combination of a plastid-targeted fluorescent protein with a pollen-specific promoter allowed us to observe the precise number, size and morphology of plastids in pollen grains of the wild type and the ftsZ1 mutant, whose responsible gene plays a central role in chloroplast division. The transgenic material presented in this work is useful for studying the division mechanism of pollen plastids.

Keywords: FtsZ1; Fluorescent protein; Male gametophyte; Plastid division; Pollen

Journal Article.  2481 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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