Unique sperm haplotypes are associated with phenotypically different sperm subpopulations in Astyanax fish.

ABSTRACT:

Background

The phenotypes of sperm are generally believed to be under the control of the diploid genotype of the male producing them rather than their own haploid genotypes, because developing spermatids share cytoplasm through intercellular bridges. This sharing is believed to homogenize their content of gene products. However, not all developing spermatids have identical gene products and estimates are that alleles at numerous gene loci are unequally expressed in sperm. This provides scope for the hypothesis that sperm phenotypes might be influenced by their unique haplotypes. Here we test a key prediction of this hypothesis.

Results

The haploid hypothesis predicts that phenotypically different sperm subpopulations should be genetically distinct. We tested this by genotypi

SUBMITTER: Borowsky R 

PROVIDER: S-EPMC6032774 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature