MAMO, a maternal BTB/POZ-Zn-finger protein enriched in germline progenitors is required for the production of functional eggs in Drosophila.

MAMO, a maternal BTB/POZ-Zn-finger protein enriched in germline progenitors is required for the production of functional eggs in Drosophila. Research Abstract Details 

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MAMO, a maternal BTB/POZ-Zn-finger protein enriched in germline progenitors is required for the production of functional eggs in Drosophila. Abstract Text:

Masanori Mukai,Yoshiki Hayashi,Yu Kitadate,Shuji Shigenobu,Kayo Arita,Satoru Kobayashi,Masanori Mukai,Yoshiki Hayashi,Yu Kitadate,Shuji Shigenobu,Kayo Arita,Satoru Kobayashi,

A hallmark of germline cells throughout the animal kingdom is their ability to execute meiosis. However, despite its prime importance, little is known about how germline progenitors acquire this ability. In Drosophila, the primordial germ cells (PGCs) are characterized by the inheritance of germ plasm, which contains maternal factors that have sufficient ability to direct germline development. Here, we show that a novel maternal factor, MAMO, is autonomously required in PGCs to produce functional gametes. MAMO protein which contains both a BTB/POZ (Broad Complex, Tramtrack, Bric-a-brac/Pox virus and Zinc finger) domain and C(2)H(2) zinc finger motifs is enriched in PGCs during embryogenesis. The PGCs with reduced maternal MAMO activity are able to undergo oogenesis, but fail to execute meiosis properly. In the resulting oocytes, meiosis-specific chromosomal configurations are impaired. We additionally show that the decondensation of fertilized sperm nuclei is also affected in the eggs. We propose that maternal MAMO activates downstream genes to promote specialized morphological changes of both female meiotic chromosomes and the sperm nucleus, which are critical in zygote formation.

MAMO, a maternal BTB/POZ-Zn-finger protein enriched in germline progenitors is required for the production of functional eggs in Drosophila. Publishing Authors By Initials

M Mukai,Y Hayashi,Y Kitadate,S Shigenobu,K Arita,S Kobayashi,M Mukai,Y Hayashi,Y Kitadate,S Shigenobu,K Arita,S Kobayashi,

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MAMO, a maternal BTB/POZ-Zn-finger protein enriched in germline progenitors is required for the production of functional eggs in Drosophila. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Mechanisms of development

VOLUME: 124

Page Numbers: 570-83

Journal Abbreviation: Mech. Dev.

ISSN: 0925-4773

DAY: 21

MONTH: 05

YEAR: 2007

MAMO, a maternal BTB/POZ-Zn-finger protein enriched in germline progenitors is required for the production of functional eggs in Drosophila. Information

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LANGUAGE: eng

NlmUniqueID: 9101218

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AFFILIATION: Okazaki Institute for Integrative Bioscience, National Institute for Basic Biology, National Institutes of Natural Sciences, Higashiyama, Myodaiji, Okazaki 444-8787, Japan.

Country: Ireland

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MEDLINETA: Mech Dev

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