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Ring Canals Permit Extensive Cytopla...

Kaufman, Ronit Sharon.

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Ring Canals Permit Extensive Cytoplasm Sharing Among Germline Cells Independent of Fusomes in Drosophila Testes.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Ring Canals Permit Extensive Cytoplasm Sharing Among Germline Cells Independent of Fusomes in Drosophila Testes./
Author:	Kaufman, Ronit Sharon.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	123 p.
Notes:	Source: Dissertations Abstracts International, Volume: 81-04, Section: B.
Contained By:	Dissertations Abstracts International81-04B.
Subject:	Developmental biology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13809852
ISBN:	9781088316467

Ring Canals Permit Extensive Cytoplasm Sharing Among Germline Cells Independent of Fusomes in Drosophila Testes.
Kaufman, Ronit Sharon.

Ring Canals Permit Extensive Cytoplasm Sharing Among Germline Cells Independent of Fusomes in Drosophila Testes. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 123 p.

Source: Dissertations Abstracts International, Volume: 81-04, Section: B.

Thesis (Ph.D.)--Yale University, 2019.

This item must not be sold to any third party vendors.

Intercellular bridges connect germline cells during gametogenesis in males and females. They form as a consequence of incomplete cytokinesis at the end of cell division leaving daughter cells connected by a stable intercellular bridge. The function of ring canals (RCs) is best understood in Drosophila females where RCs are required for the movement of cytoplasm from the nurse cells into growing oocytes, but little is known about the role of RCs and intercellular movement of cytoplasmic components during spermatogenesis. Here I show movement of Green Fluorescent Protein (GFP) and endogenous proteins through RCs using live imaging of stages from two-cell diploid spermatogonia through clusters of 64 post-meiotic spermatids, demonstrating persistent connectivity between the cells during spermatogenesis. Loss of the fusome, a large cytoplasmic structure that extends through the RCs and is known to be important during oogenesis, has minimal impact RC development or movement of cytoplasmic GFP during spermatogenesis. Using live imaging in post-meiotic cells, I demonstrate that proteins can be shared between haploid cells. Together these results reveal extensive sharing of cytoplasmic information that supports a role for ring canals throughout sperm development.

ISBN: 9781088316467Subjects--Topical Terms:

592588
Developmental biology.
Subjects--Index Terms:

Drosophila

Ring Canals Permit Extensive Cytoplasm Sharing Among Germline Cells Independent of Fusomes in Drosophila Testes.
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245 1 0 $a Ring Canals Permit Extensive Cytoplasm Sharing Among Germline Cells Independent of Fusomes in Drosophila Testes.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2019
300 $a 123 p.
500 $a Source: Dissertations Abstracts International, Volume: 81-04, Section: B.
500 $a Advisor: Cooley, Lynn.
502 $a Thesis (Ph.D.)--Yale University, 2019.
506 $a This item must not be sold to any third party vendors.
520 $a Intercellular bridges connect germline cells during gametogenesis in males and females. They form as a consequence of incomplete cytokinesis at the end of cell division leaving daughter cells connected by a stable intercellular bridge. The function of ring canals (RCs) is best understood in Drosophila females where RCs are required for the movement of cytoplasm from the nurse cells into growing oocytes, but little is known about the role of RCs and intercellular movement of cytoplasmic components during spermatogenesis. Here I show movement of Green Fluorescent Protein (GFP) and endogenous proteins through RCs using live imaging of stages from two-cell diploid spermatogonia through clusters of 64 post-meiotic spermatids, demonstrating persistent connectivity between the cells during spermatogenesis. Loss of the fusome, a large cytoplasmic structure that extends through the RCs and is known to be important during oogenesis, has minimal impact RC development or movement of cytoplasmic GFP during spermatogenesis. Using live imaging in post-meiotic cells, I demonstrate that proteins can be shared between haploid cells. Together these results reveal extensive sharing of cytoplasmic information that supports a role for ring canals throughout sperm development.
590 $a School code: 0265.
650 4 $a Developmental biology. $3 592588
650 4 $a Genetics. $3 530508
650 4 $a Cellular biology. $3 3172791
653 $a Drosophila
653 $a Fusome
653 $a Intercellular movement
653 $a Ring canal
653 $a Spermatogenesis
690 $a 0758
690 $a 0369
690 $a 0379
710 2 $a Yale University. $b Genetics. $3 2101672
773 0 $t Dissertations Abstracts International $g 81-04B.
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792 $a 2019
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13809852