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Three-dimensional organization of flagellar basal apparatus in Ectocarpus gametes

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Title: Three-dimensional organization of flagellar basal apparatus in Ectocarpus gametes
Authors: Kinoshita, Nana Browse this author
Fu, Gang Browse this author
Ito, Toshiaki Browse this author
Motomura, Taizo Browse this author →KAKEN DB
Keywords: anterior flagellum
brown algae
Ectocarpus gametes
flagellar basal apparatus
posterior flagellum
Issue Date: 28-Jan-2016
Publisher: Wiley-Blackwell
Journal Title: Phycological research
Volume: 64
Issue: 1
Start Page: 19
End Page: 25
Publisher DOI: 10.1111/pre.12115
Abstract: The flagellar basal apparatus of the brown alga Ectocarpus siliculosus was re-investigated in details using transmission electron microscopy and electron tomography. As a result, three-dimensional structures with spatial arrangement of bands and microtubular flagellar rootlets were observed. Fibrous structures linking the anterior flagellar basal body to the major anterior rootlet (R3) or the bypassing rootlet was newly discovered in this study. A direct attachment from the minor anterior rootlet (R4) to the anterior and posterior basal bodies was also discovered, as were attachments from the minor posterior rootlet (R1) to the deltoid striated band and from the major posterior rootlet (R2) to the posterior fibrous band. The microtubular flagellar rootlets were connected to the bands and to the anterior or posterior basal body. These bands may have a role in maintaining the spatial arrangement of the anterior and posterior flagellar basal bodies and the microtubular flagellar rootlets. A numbering system of the basal body triplets was established by tracing axonemal doublets in the serial sections. From these observations, the precise position of two flagellar basal bodies, bands, and flagellar rootlets was determined.
Rights: This is the peer reviewed version of the following article: [Phycological research, 64(1), page:19-25], which has been published in final form at []. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Type: article (author version)
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 本村 泰三

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