Results 71 to 80 of about 7,530 (183)

spermiogenesis

Citation: 'spermiogenesis' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.11245 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms. Requests for commercial
openaire   +1 more source

Polyamines in spermiogenesis: Not now, darling [PDF]

Proceedings of the National Academy of Sciences, 2000
“Interesting processes invariably employ interesting biochemistry,” declares Marc Kirschner (1). From this statement, one may readily conclude that antizyme (AZ) deserves our attention. AZ is the central element in a feedback loop that controls cellular polyamines. AZ is interesting for a number of reasons. First, AZ production requires the exercise of
openaire   +2 more sources

Identification of differentially expressed genes in human testis biopsies with defective spermatogenesis

Reproductive Medicine and Biology
Purpose Sperm morphology and motility are major contributors to male‐factor infertility, with many genes predicted to be involved. This study aimed to elucidate differentially expressed transcripts in human testis tissues of normal and abnormal ...
Shashika D. Kothalawala, Stefan Günther, Hans‐Christian Schuppe, Adrian Pilatz, Florian Wagenlehner, Sabine Kliesch, Liza O'Donnell, Daniela Fietz   +7 more
doaj   +1 more source

Mitotic fidelity requires transgenerational action of a testis-restricted HP1

eLife, 2015
Sperm-packaged DNA must undergo extensive reorganization to ensure its timely participation in embryonic mitosis. Whereas maternal control over this remodeling is well described, paternal contributions are virtually unknown.
Mia T Levine, Helen M Vander Wende, Harmit S Malik   +2 more
doaj   +1 more source

Karyotype depends on sperm head morphology in some amniote groups

Frontiers in Genetics
The karyotype of an organism is the set of gross features that characterize the way the genome is packaged into separate chromosomes. It has been known for decades that different taxonomic groups often have distinct karyotypic features, but whether ...
Eric M. Kramer, Eric M. Kramer, Joshua Enelamah, Hao Fang, P. A. Tayjasanant   +4 more
doaj   +1 more source

Three-dimensional reconstruction of rat sperm using volume electron microscopy

Acta Biochimica et Biophysica Sinica
Three-dimensional (3D) reconstruction serves as a crucial instrument for the analysis of biological structures. In particular, a comprehensive and accurate 3D ultrastructural examination of rat sperm is vital for understanding and diagnosing male ...
Liu Jiazheng, Lin Limei, Zhang Lina, Ma Hongtu, Chen Xi, Pang Keliang, Li Linlin, Han Hua   +7 more
doaj   +1 more source

FBXO24 modulates mRNA alternative splicing and MIWI degradation and is required for normal sperm formation and male fertility

eLife
Spermiogenesis is a critical, post-meiotic phase of male gametogenesis, in which the proper gene expression is essential for sperm maturation. However, the underFlying molecular mechanism that controls mRNA expression in the round spermatids remains ...
Zhiming Li, Xingping Liu, Yan Zhang, Yuanyuan Li, Liquan Zhou, Shuiqiao Yuan   +5 more
doaj   +1 more source

Notes on reproduction of Cascade frogs from California

California Fish and Wildlife Journal, 2020
Stephen R. Goldberg
doaj   +1 more source

PRAMEL12 orchestrates spermiogenesis to ensure male fertility in mice. [PDF]

J Biol Chem
Li N, Wang X, Li H, Wang Z.
europepmc   +1 more source

Transcription factor NFYA directs male meiotic entry by regulating accessible chromatin at meiotic promoters in mice. [PDF]

EMBO J
Säflund M, Askari M, Eghbali A, Abdi MM, Er DD, Östlund Farrants AK, Yu T, Özata DM.   +7 more
europepmc   +1 more source