SEPT12-Microtubule complexes are required for sperm head and tail formation

Pao Lin Kuo, Han Sun Chiang, Ya Yun Wang, Yung Che Kuo, Mei Feng Chen, I. Shing Yu, Yen Ni Teng, Shu Wha Lin, Ying Hung Lin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The septin gene belongs to a highly conserved family of polymerizing GTP-binding cytoskeletal proteins. SEPTs perform cytoskeletal remodeling, cell polarity, mitosis, and vesicle trafficking by interacting with various cytoskeletons. Our previous studies have indicated that SEPTIN12+/+/+/- chimeras with a SEPTIN12 mutant allele were infertile. Spermatozoa from the vas deferens of chimeric mice indicated an abnormal sperm morphology, decreased sperm count, and immotile sperm. Mutations and genetic variants of SEPTIN12 in infertility cases also caused oligozoospermia and teratozoospermia. We suggest that a loss of SEPT12 affects the biological function of microtublin functions and causes spermiogenesis defects. In the cell model, SEPT12 interacts with α- and β-tubulins by co-immunoprecipitation (co-IP). To determine the precise localization and interactions between SEPT12 and α- and β-tubulins in vivo, we created SEPTIN12-transgene mice. We demonstrate how SEPT12 interacts and co-localizes with α- and β-tubulins during spermiogenesis in these mice. By using shRNA, the loss of SEPT12 transcripts disrupts α- and β-tubulin organization. In addition, losing or decreasing SEPT12 disturbs the morphogenesis of sperm heads and the elongation of sperm tails, the steps of which are coordinated and constructed by α- and β-tubulins, in SEPTIN12+/+/+/- chimeras. In this study, we discovered that the SEPTIN12-microtubule complexes are critical for sperm formation during spermiogenesis.

Original languageEnglish
Pages (from-to)22102-22116
Number of pages15
JournalInternational Journal of Molecular Sciences
Volume14
Issue number11
DOIs
Publication statusPublished - Nov 7 2013
Externally publishedYes

Fingerprint

Sperm Tail
Sperm Head
Tubulin
Microtubules
mice
Spermatozoa
Spermatogenesis
spermatozoa
mitosis
Elongation
Genes
mutations
cells
genes
Defects
elongation
Septins
polarity
Oligospermia
Cell Polarity

Keywords

  • Microtubules
  • SEPT12
  • Spermiogenesis

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

Cite this

Kuo, P. L., Chiang, H. S., Wang, Y. Y., Kuo, Y. C., Chen, M. F., Yu, I. S., ... Lin, Y. H. (2013). SEPT12-Microtubule complexes are required for sperm head and tail formation. International Journal of Molecular Sciences, 14(11), 22102-22116. https://doi.org/10.3390/ijms141122102

SEPT12-Microtubule complexes are required for sperm head and tail formation. / Kuo, Pao Lin; Chiang, Han Sun; Wang, Ya Yun; Kuo, Yung Che; Chen, Mei Feng; Yu, I. Shing; Teng, Yen Ni; Lin, Shu Wha; Lin, Ying Hung.

In: International Journal of Molecular Sciences, Vol. 14, No. 11, 07.11.2013, p. 22102-22116.

Research output: Contribution to journalArticle

Kuo, PL, Chiang, HS, Wang, YY, Kuo, YC, Chen, MF, Yu, IS, Teng, YN, Lin, SW & Lin, YH 2013, 'SEPT12-Microtubule complexes are required for sperm head and tail formation', International Journal of Molecular Sciences, vol. 14, no. 11, pp. 22102-22116. https://doi.org/10.3390/ijms141122102
Kuo, Pao Lin ; Chiang, Han Sun ; Wang, Ya Yun ; Kuo, Yung Che ; Chen, Mei Feng ; Yu, I. Shing ; Teng, Yen Ni ; Lin, Shu Wha ; Lin, Ying Hung. / SEPT12-Microtubule complexes are required for sperm head and tail formation. In: International Journal of Molecular Sciences. 2013 ; Vol. 14, No. 11. pp. 22102-22116.
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