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Daniel-Carlier N, Castille J, Passet B, Vilotte M, Le Danvic C, Jaffrezic F, Beauvallet C, Péchoux C, Capitan A, Vilotte JL. Targeted mutation and inactivation of the kinesin light chain 3 protein-encoding gene have no impact on mouse fertility†. Biol Reprod 2024; 110:78-89. [PMID: 37776549 DOI: 10.1093/biolre/ioad131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/02/2023] Open
Abstract
The kinesin light chain 3 protein (KLC3) is the only member of the kinesin light chain protein family that was identified in post-meiotic mouse male germ cells. It plays a role in the formation of the sperm midpiece through its association with both spermatid mitochondria and outer dense fibers (ODF). Previous studies showed a significant correlation between its expression level and sperm motility and quantitative semen parameters in humans, while the overexpression of a KLC3-mutant protein unable to bind ODF also affected the same traits in mice. To further assess the role of KLC3 in fertility, we used CRISPR/Cas9 genome editing in mice and investigated the phenotypes induced by the invalidation of the gene or of a functional domain of the protein. Both approaches gave similar results, i.e. no detectable change in male or female fertility. Testis histology, litter size and sperm count were not altered. Apart from the line-dependent alterations of Klc3 mRNA levels, testicular transcriptome analysis did not reveal any other changes in the genes tested. Western analysis supported the absence of KLC3 in the gonads of males homozygous for the inactivating mutation and a strong decrease in expression in males homozygous for the allele lacking one out of the five tetratricopeptide repeats. Overall, these observations raise questions about the supposedly critical role of this kinesin in reproduction, at least in mice where its gene mutation or inactivation did not translate into fertility impairment.
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Affiliation(s)
- Nathalie Daniel-Carlier
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
| | - Johan Castille
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
| | - Bruno Passet
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
| | - Marthe Vilotte
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
| | - Christelle Le Danvic
- UVSQ, INRAE, BREED, Université Paris-Saclay, Eliance, 78350 Jouy-en-Josas, France
| | - Florence Jaffrezic
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
| | - Christian Beauvallet
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
| | - Christine Péchoux
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
| | - Aurélien Capitan
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
| | - Jean-Luc Vilotte
- University of Paris-Saclay, INRAE, AgroParisTech, UMR1313 GABI, 78350, Jouy-en-Josas, France
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Sun X, Niu Q, Jiang J, Wang G, Zhou P, Li J, Chen C, Liu L, Xu L, Ren H. Identifying Candidate Genes for Litter Size and Three Morphological Traits in Youzhou Dark Goats Based on Genome-Wide SNP Markers. Genes (Basel) 2023; 14:1183. [PMID: 37372363 DOI: 10.3390/genes14061183] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/25/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
This study aimed to reveal the potential genetic basis for litter size, coat colour, black middorsal stripe and skin colour by combining genome-wide association analysis (GWAS) and selection signature analysis and ROH detection within the Youzhou dark (YZD) goat population (n = 206) using the Illumina GoatSNP54 BeadChip. In the GWAS, we identified one SNP (snp54094-scaffold824-899720) on chromosome 11 for litter size, two SNPs on chromosome 26 (snp11508-scaffold142-1990450, SORCS3) and chromosome 12 (snp55048-scaffold842-324525, LOC102187779) for coat colour and one SNP on chromosome 18 (snp56013-scaffold873-22716, TCF25) for the black middorsal stripe. In contrast, no SNPs were identified for skin colour. In selection signature analysis, 295 significant iHS genomic regions with a mean |iHS| score > 2.66, containing selection signatures encompassing 232 candidate genes were detected. In particular, 43 GO terms and one KEGG pathway were significantly enriched in the selected genes, which may contribute to the excellent environmental adaptability and characteristic trait formation during the domestication of YZD goats. In ROH detection, we identified 4446 ROH segments and 282 consensus ROH regions, among which nine common genes overlapped with those detected using the iHS method. Some known candidate genes for economic traits such as reproduction (TSHR, ANGPT4, CENPF, PIBF1, DACH1, DIS3, CHST1, COL4A1, PRKD1 and DNMT3B) and development and growth (TNPO2, IFT80, UCP2, UCP3, GHRHR, SIM1, CCM2L, CTNNA3 and CTNNA1) were revealed by iHS and ROH detection. Overall, this study is limited by the small population size, which affects the results of GWAS to a certain extent. Nevertheless, our findings could provide the first overview of the genetic mechanism underlying these important traits and provide novel insights into the future conservation and utilisation of Chinese goat germplasm resources.
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Affiliation(s)
- Xiaoyan Sun
- Chongqing Academy of Animal Sciences, Rongchang 402460, China
| | - Qunhao Niu
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jing Jiang
- Chongqing Academy of Animal Sciences, Rongchang 402460, China
| | - Gaofu Wang
- Chongqing Academy of Animal Sciences, Rongchang 402460, China
| | - Peng Zhou
- Chongqing Academy of Animal Sciences, Rongchang 402460, China
| | - Jie Li
- Chongqing Academy of Animal Sciences, Rongchang 402460, China
| | - Cancan Chen
- Chongqing Academy of Animal Sciences, Rongchang 402460, China
| | - Liangjia Liu
- Chongqing Academy of Animal Sciences, Rongchang 402460, China
| | - Lingyang Xu
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Hangxing Ren
- Chongqing Academy of Animal Sciences, Rongchang 402460, China
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Meng Z, Meng Q, Gao T, Zhou H, Xue J, Li H, Wu Y, Lv J. Identification of bi-allelic KIF9 loss-of-function variants contributing to asthenospermia and male infertility in two Chinese families. Front Endocrinol (Lausanne) 2023; 13:1091107. [PMID: 36686457 PMCID: PMC9846173 DOI: 10.3389/fendo.2022.1091107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 12/14/2022] [Indexed: 01/05/2023] Open
Abstract
Introduction Asthenozoospermia (AZS) is a leading cause of male infertility, affecting an estimated 18% of infertile patients. Kinesin proteins function as molecular motors capable of moving along microtubules. The highly conserved kinesin family member 9 (KIF9) localizes to the central microtubule pair in the flagella of Chlamydomonas cells. The loss of KIF9 expression in mice has been linked to AZS phenotypes. Methods Variant screening was performed by whole exome sequencing from 92 Chinese infertile patients with AZS. Western blot was used to was used for analyzing of candidate proteins expression. Patients' sperm samples were stained with immunofluorescent to visualise proteins localization and were visualised by transmission electron microscopy (TEM) to determine axoneme structures. Co-immunoprecipitation assay was used to verify the binding proteins of KIF9. In vitro fertilization (IVF) was used to evaluate the efficiency of clinical treatment. Results Bi-allelic KIF9 loss-of-function variants were identified in two unrelated Chinese males exhibiting atypical sperm motility phenotypes. Both of these men exhibited typical AZS and suffered from infertility together with the complete absence of KIF9 expression. In contrast to these KIF9-deficient patients, positive KIF9 staining was evident throughout the flagella of sperm from normal control individuals. KIF9 was able to interact with the microtubule central pair (CP) component hydrocephalus-inducing protein homolog (HYDIN) in human samples. And KIF9 was undetectable in spermatozoa harboring CP deletions. The morphologicy of KIF9-deficient spermatozoa appeared normal under gross examination and TEM. Like in mice, in vitro fertilization was sufficient to overcome the fertility issues for these two patients. Discussion These findings indicate that KIF9 associates with the central microtubules in human sperm and that it functions to specifically regulate flagellar swinging. Overall, these results offer greater insight into the biological functions of KIF9 in the assembly of the human flagella and its role in male fertility.
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Affiliation(s)
- Zhixiang Meng
- Center for Reproduction, Suzhou Dushu Lake Hospital (Dushu Lake Hospital Affiliated to Soochow University), Suzhou, China
| | - Qingxia Meng
- State Key Laboratory of Reproductive Medicine, Center for Reproduction and Genetics, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, China
| | - Tingting Gao
- Changzhou Maternal and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, China
| | - Hui Zhou
- Human Reproductive and Genetic Center, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Jiajia Xue
- Center for Reproduction, Suzhou Dushu Lake Hospital (Dushu Lake Hospital Affiliated to Soochow University), Suzhou, China
| | - Hong Li
- State Key Laboratory of Reproductive Medicine, Center for Reproduction and Genetics, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, China
| | - Yibo Wu
- Human Reproductive and Genetic Center, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Jinxing Lv
- Center for Reproduction, Suzhou Dushu Lake Hospital (Dushu Lake Hospital Affiliated to Soochow University), Suzhou, China
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Wang W, Todorov P, Pei C, Wang M, Isachenko E, Rahimi G, Mallmann P, Isachenko V. Epigenetic Alterations in Cryopreserved Human Spermatozoa: Suspected Potential Functional Defects. Cells 2022; 11:cells11132110. [PMID: 35805194 PMCID: PMC9266127 DOI: 10.3390/cells11132110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/15/2022] [Accepted: 06/24/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Gene set enrichment analysis (GSEA) was conducted on raw data, and alternative splicing (AS) events were found after mRNA sequencing of human spermatozoa. In this study, we aimed to compare unknown micro-epigenetics alternations in fresh and cryopreserved spermatozoa to evaluate the effectivity of cryopreservation protocols. Methods: Spermatozoa were divided into three groups: fresh spermatozoa (group 1), cryoprotectant-free vitrified spermatozoa (group 2), and conventionally frozen spermatozoa (group 3). Nine RNA samples (three replicates in each group) were detected and were used for library preparation with an Illumina compatible kit and sequencing by the Illumina platform. Results: Three Gene Ontology (GO) terms were found to be enriched in vitrified spermatozoa compared with fresh spermatozoa: mitochondrial tRNA aminoacylation, ATP-dependent microtubule motor activity, and male meiotic nuclear division. In alternative splicing analysis, a number of unknown AS events were found, including functional gene exon skipping (SE), alternative 5′ splice sites (A5SS), alternative 3′ splice sites (A3SS), mutually exclusive exon (MXE), and retained intron (RI). Conclusions: Cryopreservation of spermatozoa from some patients can agitate epigenetic instability, including increased alternative splicing events and changes in crucial mitochondrial functional activities. For fertilization of oocytes, for such patients, it is recommended to use fresh spermatozoa whenever possible; cryopreservation of sperm is recommended to be used only in uncontested situations.
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Affiliation(s)
- Wanxue Wang
- Department of Obstetrics and Gynaecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (W.W.); (C.P.); (M.W.); (E.I.); (G.R.); (P.M.)
| | - Plamen Todorov
- Institute of Biology and Immunology of Reproduction of Bulgarian Academy of Sciences, Tsarigradsko highway 73A, 1113 Sofia, Bulgaria;
| | - Cheng Pei
- Department of Obstetrics and Gynaecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (W.W.); (C.P.); (M.W.); (E.I.); (G.R.); (P.M.)
| | - Mengying Wang
- Department of Obstetrics and Gynaecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (W.W.); (C.P.); (M.W.); (E.I.); (G.R.); (P.M.)
| | - Evgenia Isachenko
- Department of Obstetrics and Gynaecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (W.W.); (C.P.); (M.W.); (E.I.); (G.R.); (P.M.)
| | - Gohar Rahimi
- Department of Obstetrics and Gynaecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (W.W.); (C.P.); (M.W.); (E.I.); (G.R.); (P.M.)
| | - Peter Mallmann
- Department of Obstetrics and Gynaecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (W.W.); (C.P.); (M.W.); (E.I.); (G.R.); (P.M.)
| | - Vladimir Isachenko
- Department of Obstetrics and Gynaecology, Medical Faculty, Cologne University, 50931 Cologne, Germany; (W.W.); (C.P.); (M.W.); (E.I.); (G.R.); (P.M.)
- Correspondence:
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