Drosophila centrosomin protein is required for male meiosis and assembly of the flagellar axoneme. 1998

K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
Howard Hughes Medical Institute, Department of Biology, Indiana University, Bloomington, IN 47405, USA.

Centrosomes and microtubules play crucial roles during cell division and differentiation. Spermatogenesis is a useful system for studying centrosomal function since it involves both mitosis and meiosis, and also transformation of the centriole into the sperm basal body. Centrosomin is a protein localized to the mitotic centrosomes in Drosophila melanogaster. We have found a novel isoform of centrosomin expressed during spermatogenesis. Additionally, an anticentrosomin antibody labels both the mitotic and meiotic centrosomes as well as the basal body. Mutational analysis shows that centrosomin is required for spindle organization during meiosis and for organization of the sperm axoneme. These results suggest that centrosomin is a necessary component of the meiotic centrosomes and the spermatid basal body.

UI MeSH Term Description Entries
D007248 Infertility, Male The inability of the male to effect FERTILIZATION of an OVUM after a specified period of unprotected intercourse. Male sterility is permanent infertility. Sterility, Male,Sub-Fertility, Male,Subfertility, Male,Male Infertility,Male Sterility,Male Sub-Fertility,Male Subfertility,Sub Fertility, Male
D008297 Male Males
D008540 Meiosis A type of CELL NUCLEUS division, occurring during maturation of the GERM CELLS. Two successive cell nucleus divisions following a single chromosome duplication (S PHASE) result in daughter cells with half the number of CHROMOSOMES as the parent cells. M Phase, Meiotic,Meiotic M Phase,M Phases, Meiotic,Meioses,Meiotic M Phases,Phase, Meiotic M,Phases, Meiotic M
D008938 Mitosis A type of CELL NUCLEUS division by means of which the two daughter nuclei normally receive identical complements of the number of CHROMOSOMES of the somatic cells of the species. M Phase, Mitotic,Mitotic M Phase,M Phases, Mitotic,Mitoses,Mitotic M Phases,Phase, Mitotic M,Phases, Mitotic M
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D004331 Drosophila melanogaster A species of fruit fly frequently used in genetics because of the large size of its chromosomes. D. melanogaster,Drosophila melanogasters,melanogaster, Drosophila
D005407 Flagella A whiplike motility appendage present on the surface cells. Prokaryote flagella are composed of a protein called FLAGELLIN. Bacteria can have a single flagellum, a tuft at one pole, or multiple flagella covering the entire surface. In eukaryotes, flagella are threadlike protoplasmic extensions used to propel flagellates and sperm. Flagella have the same basic structure as CILIA but are longer in proportion to the cell bearing them and present in much smaller numbers. (From King & Stansfield, A Dictionary of Genetics, 4th ed) Flagellum
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012333 RNA, Messenger RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm. Messenger RNA,Messenger RNA, Polyadenylated,Poly(A) Tail,Poly(A)+ RNA,Poly(A)+ mRNA,RNA, Messenger, Polyadenylated,RNA, Polyadenylated,mRNA,mRNA, Non-Polyadenylated,mRNA, Polyadenylated,Non-Polyadenylated mRNA,Poly(A) RNA,Polyadenylated mRNA,Non Polyadenylated mRNA,Polyadenylated Messenger RNA,Polyadenylated RNA,RNA, Polyadenylated Messenger,mRNA, Non Polyadenylated
D013090 Spermatocytes Male germ cells derived from SPERMATOGONIA. The euploid primary spermatocytes undergo MEIOSIS and give rise to the haploid secondary spermatocytes which in turn give rise to SPERMATIDS. Spermiocytes,Spermatocyte,Spermiocyte

Related Publications

K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
July 1999, Development (Cambridge, England),
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
August 2013, Journal of cell science,
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
May 2023, Cellular and molecular life sciences : CMLS,
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
August 2020, PLoS genetics,
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
January 2007, Cell structure and function,
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
May 2004, Molecular biology of the cell,
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
February 2008, The Journal of cell biology,
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
September 2009, Eukaryotic cell,
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
May 2006, The Journal of cell biology,
K Li, and E Y Xu, and J K Cecil, and F R Turner, and T L Megraw, and T C Kaufman
October 1992, Development (Cambridge, England),
Copied contents to your clipboard!