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Joshi S, Dash S, Vijayan N, Nishant KT. Irc20 modulates LOH frequency and distribution in S. cerevisiae. DNA Repair (Amst) 2024; 141:103727. [PMID: 39098164 DOI: 10.1016/j.dnarep.2024.103727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 06/04/2024] [Accepted: 07/09/2024] [Indexed: 08/06/2024]
Abstract
Loss of Heterozygosity (LOH) due to mitotic recombination is frequently associated with the development of various cancers (e.g. retinoblastoma). LOH is also an important source of genetic diversity, especially in organisms where meiosis is infrequent. Irc20 is a putative helicase, and E3 ubiquitin ligase involved in DNA double-strand break repair pathway. We analyzed genome-wide LOH events, gross chromosomal changes, small insertion-deletions and single nucleotide mutations in eleven S. cerevisiae mutation accumulation lines of irc20∆, which underwent 50 mitotic bottlenecks. LOH enhancement in irc20∆ was small (1.6 fold), but statistically significant as compared to the wild type. Short (≤ 1 kb) and long (> 10 kb) LOH tracts were significantly enhanced in irc20∆. Both interstitial and terminal LOH events were also significantly enhanced in irc20∆ compared to the wild type. LOH events in irc20∆ were more telomere proximal and away from centromeres compared to the wild type. Gross chromosomal changes, single nucleotide mutations and in-dels were comparable between irc20∆ and wild type. Locus based and genome-wide analysis of meiotic recombination showed that meiotic crossover frequencies are not altered in irc20∆. These results suggest Irc20 primarily regulates mitotic recombination and does not affect meiotic crossovers. Our results suggest that the IRC20 gene is important for regulating LOH frequency and distribution.
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Affiliation(s)
- Sameer Joshi
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India
| | - Suman Dash
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India
| | - Nikilesh Vijayan
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India
| | - Koodali T Nishant
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India; Center for High-Performance Computing, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India.
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2
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Jovanska L, Lin IC, Yao JS, Chen CL, Liu HC, Li WC, Chuang YC, Chuang CN, Yu ACH, Lin HN, Pong WL, Yu CI, Su CY, Chen YP, Chen RS, Hsueh YP, Yuan HS, Timofejeva L, Wang TF. DNA cytosine methyltransferases differentially regulate genome-wide hypermutation and interhomolog recombination in Trichoderma reesei meiosis. Nucleic Acids Res 2024:gkae611. [PMID: 39021337 DOI: 10.1093/nar/gkae611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 06/20/2024] [Accepted: 07/01/2024] [Indexed: 07/20/2024] Open
Abstract
Trichoderma reesei is an economically important enzyme producer with several unique meiotic features. spo11, the initiator of meiotic double-strand breaks (DSBs) in most sexual eukaryotes, is dispensable for T. reesei meiosis. T. reesei lacks the meiosis-specific recombinase Dmc1. Rad51 and Sae2, the activator of the Mre11 endonuclease complex, promote DSB repair and chromosome synapsis in wild-type and spo11Δ meiosis. DNA methyltransferases (DNMTs) perform multiple tasks in meiosis. Three DNMT genes (rid1, dim2 and dimX) differentially regulate genome-wide cytosine methylation and C:G-to-T:A hypermutations in different chromosomal regions. We have identified two types of DSBs: type I DSBs require spo11 or rid1 for initiation, whereas type II DSBs do not rely on spo11 and rid1 for initiation. rid1 (but not dim2) is essential for Rad51-mediated DSB repair and normal meiosis. rid1 and rad51 exhibit a locus heterogeneity (LH) relationship, in which LH-associated proteins often regulate interconnectivity in protein interaction networks. This LH relationship can be suppressed by deleting dim2 in a haploid rid1Δ (but not rad51Δ) parental strain, indicating that dim2 and rid1 share a redundant function that acts earlier than rad51 during early meiosis. In conclusion, our studies provide the first evidence of the involvement of DNMTs during meiotic initiation and recombination.
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Affiliation(s)
| | - I-Chen Lin
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
- Chi-Mei Medical Center, Tainan 71004, Taiwan
| | - Jhong-Syuan Yao
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Chia-Ling Chen
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Hou-Cheng Liu
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Wan-Chen Li
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Yu-Chien Chuang
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Chi-Ning Chuang
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | | | - Hsin-Nan Lin
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Wen-Li Pong
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Chang-I Yu
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Ching-Yuan Su
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Yi-Ping Chen
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Ruey-Shyang Chen
- Department of Biochemical Science and Technology, National Chiayi University, Chiayi, Taiwan
| | - Yi-Ping Hsueh
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Hanna S Yuan
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Ljudmilla Timofejeva
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
- Centre of Estonian Rural Research and Knowledge, J. Aamisepa 1, Jõgeva 48309, Estonia
| | - Ting-Fang Wang
- Institute of Molecular Biology, Academia Sinica, Taipei 11529, Taiwan
- Department of Biochemical Science and Technology, National Chiayi University, Chiayi, Taiwan
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3
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Dash S, Joshi S, Pankajam AV, Shinohara A, Nishant KT. Heterozygosity alters Msh5 binding to meiotic chromosomes in the baker's yeast. Genetics 2024; 226:iyad214. [PMID: 38124392 DOI: 10.1093/genetics/iyad214] [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] [Received: 10/27/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023] Open
Abstract
Meiotic crossovers are initiated from programmed DNA double-strand breaks. The Msh4-Msh5 heterodimer is an evolutionarily conserved mismatch repair-related protein complex that promotes meiotic crossovers by stabilizing strand invasion intermediates and joint molecule structures such as Holliday junctions. In vivo studies using homozygous strains of the baker's yeast Saccharomyces cerevisiae (SK1) show that the Msh4-Msh5 complex associates with double-strand break hotspots, chromosome axes, and centromeres. Many organisms have heterozygous genomes that can affect the stability of strand invasion intermediates through heteroduplex rejection of mismatch-containing sequences. To examine Msh4-Msh5 function in a heterozygous context, we performed chromatin immunoprecipitation and sequencing (ChIP-seq) analysis in a rapidly sporulating hybrid S. cerevisiae strain (S288c-sp/YJM789, containing sporulation-enhancing QTLs from SK1), using SNP information to distinguish reads from homologous chromosomes. Overall, Msh5 localization in this hybrid strain was similar to that determined in the homozygous strain (SK1). However, relative Msh5 levels were reduced in regions of high heterozygosity, suggesting that high mismatch densities reduce levels of recombination intermediates to which Msh4-Msh5 binds. Msh5 peaks were also wider in the hybrid background compared to the homozygous strain (SK1). We determined regions containing heteroduplex DNA by detecting chimeric sequence reads with SNPs from both parents. Msh5-bound double-strand break hotspots overlap with regions that have chimeric DNA, consistent with Msh5 binding to heteroduplex-containing recombination intermediates.
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Affiliation(s)
- Suman Dash
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India
| | - Sameer Joshi
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India
| | - Ajith V Pankajam
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India
| | - Akira Shinohara
- Institute for Protein Research, Osaka University, Osaka 565-0871, Japan
| | - Koodali T Nishant
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India
- Center for High-Performance Computing, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum 695551, India
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4
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Fajish G, Challa K, Salim S, Vp A, Mwaniki S, Zhang R, Fujita Y, Ito M, Nishant KT, Shinohara A. DNA double-strand breaks regulate the cleavage-independent release of Rec8-cohesin during yeast meiosis. Genes Cells 2024; 29:86-98. [PMID: 37968127 DOI: 10.1111/gtc.13081] [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] [Received: 01/23/2023] [Revised: 10/28/2023] [Accepted: 11/02/2023] [Indexed: 11/17/2023]
Abstract
The mitotic cohesin complex necessary for sister chromatid cohesion and chromatin loop formation shows local and global association to chromosomes in response to DNA double-strand breaks (DSBs). Here, by genome-wide binding analysis of the meiotic cohesin with Rec8, we found that the Rec8-localization profile along chromosomes is altered from middle to late meiotic prophase I with cleavage-independent dissociation. Each Rec8-binding site on the chromosome axis follows a unique alternation pattern with dissociation and probably association. Centromeres showed altered Rec8 binding in late prophase I relative to mid-prophase I, implying chromosome remodeling of the regions. Rec8 dissociation ratio per chromosome is correlated well with meiotic DSB density. Indeed, the spo11 mutant deficient in meiotic DSB formation did not change the distribution of Rec8 along chromosomes in late meiotic prophase I. These suggest the presence of a meiosis-specific regulatory pathway for the global binding of Rec8-cohesin in response to DSBs.
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Affiliation(s)
- Ghanim Fajish
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Kiran Challa
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Sagar Salim
- School of Biology, Indian Institute of Science, Education and Research, Thiruvananthapuram, India
| | - Ajith Vp
- School of Biology, Indian Institute of Science, Education and Research, Thiruvananthapuram, India
| | - Stephen Mwaniki
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Ruihao Zhang
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Yurika Fujita
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Masaru Ito
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Koodali T Nishant
- School of Biology, Indian Institute of Science, Education and Research, Thiruvananthapuram, India
| | - Akira Shinohara
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
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5
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Ding X, Gong X, Fan Y, Cao J, Zhao J, Zhang Y, Wang X, Meng K. DNA double-strand break genetic variants in patients with premature ovarian insufficiency. J Ovarian Res 2023; 16:135. [PMID: 37430352 DOI: 10.1186/s13048-023-01221-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 06/20/2023] [Indexed: 07/12/2023] Open
Abstract
Premature ovarian insufficiency (POI) is a clinically heterogeneous disease that may seriously affect the physical and mental health of women of reproductive age. POI primarily manifests as ovarian function decline and endocrine disorders in women prior to age 40 and is an established cause of female infertility. It is crucial to elucidate the causative factors of POI, not only to expand the understanding of ovarian physiology, but also to provide genetic counselling and fertility guidance to affected patients. Factors leading to POI are multifaceted with genetic factors accounting for 7% to 30%. In recent years, an increasing number of DNA damage-repair-related genes have been linked with the occurrence of POI. Among them, DNA double-strand breaks (DSBs), one of the most damaging to DNA, and its main repair methods including homologous recombination (HR) and non-homologous end joining (NHEJ) are of particular interest. Numerous genes are known to be involved in the regulation of programmed DSB formation and damage repair. The abnormal expression of several genes have been shown to trigger defects in the overall repair pathway and induce POI and other diseases. This review summarises the DSB-related genes that may contribute to the development of POI and their potential regulatory mechanisms, which will help to further establish role of DSB in the pathogenesis of POI and provide theoretical guidance for the study of the pathogenesis and clinical treatment of this disease.
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Affiliation(s)
- Xuechun Ding
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Xiaowei Gong
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Yingying Fan
- Affiliated Hospital of Jining Medical University, Jining, China
| | - Jinghe Cao
- Affiliated Hospital of Jining Medical University, Jining, China
| | - Jingyu Zhao
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Yixin Zhang
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Xiaomei Wang
- College of Basic Medicine, Jining Medical University, Jining, China.
| | - Kai Meng
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China.
- Lin He's Academician Workstation of New Medicine and Clinical Translation, Jining Medical University, Jining, China.
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6
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Shinohara M, Shinohara A. The Msh5 complex shows homeostatic localization in response to DNA double-strand breaks in yeast meiosis. Front Cell Dev Biol 2023; 11:1170689. [PMID: 37274743 PMCID: PMC10232913 DOI: 10.3389/fcell.2023.1170689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/09/2023] [Indexed: 06/06/2023] Open
Abstract
Meiotic crossing over is essential for the segregation of homologous chromosomes. The formation and distribution of meiotic crossovers (COs), which are initiated by the formation of double-strand break (DSB), are tightly regulated to ensure at least one CO per bivalent. One type of CO control, CO homeostasis, maintains a consistent level of COs despite fluctuations in DSB numbers. Here, we analyzed the localization of proteins involved in meiotic recombination in budding yeast xrs2 hypomorphic mutants which show different levels of DSBs. The number of cytological foci with recombinases, Rad51 and Dmc1, which mark single-stranded DNAs at DSB sites is proportional to the DSB numbers. Among the pro-CO factor, ZMM/SIC proteins, the focus number of Zip3, Mer3, or Spo22/Zip4, was linearly proportional to reduced DSBs in the xrs2 mutant. In contrast, foci of Msh5, a component of the MutSγ complex, showed a non-linear response to reduced DSBs. We also confirmed the homeostatic response of COs by genetic analysis of meiotic recombination in the xrs2 mutants and found a chromosome-specific homeostatic response of COs. Our study suggests that the homeostatic response of the Msh5 assembly to reduced DSBs was genetically distinct from that of the Zip3 assembly for CO control.
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Affiliation(s)
- Miki Shinohara
- Department of Advanced Bioscience, Graduate School of Agriculture, Kindai University, Nara, Japan
- Agricultural Technology and Innovation Research Institute, Kindai University, Nara, Japan
- Institute for Protein Research, Osaka University, Osaka, Japan
| | - Akira Shinohara
- Institute for Protein Research, Osaka University, Osaka, Japan
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7
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Gioia M, Payero L, Salim S, Fajish V. G, Farnaz AF, Pannafino G, Chen JJ, Ajith VP, Momoh S, Scotland M, Raghavan V, Manhart CM, Shinohara A, Nishant KT, Alani E. Exo1 protects DNA nicks from ligation to promote crossover formation during meiosis. PLoS Biol 2023; 21:e3002085. [PMID: 37079643 PMCID: PMC10153752 DOI: 10.1371/journal.pbio.3002085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 05/02/2023] [Accepted: 03/17/2023] [Indexed: 04/21/2023] Open
Abstract
In most sexually reproducing organisms crossing over between chromosome homologs during meiosis is essential to produce haploid gametes. Most crossovers that form in meiosis in budding yeast result from the biased resolution of double Holliday junction (dHJ) intermediates. This dHJ resolution step involves the actions of Rad2/XPG family nuclease Exo1 and the Mlh1-Mlh3 mismatch repair endonuclease. Here, we provide genetic evidence in baker's yeast that Exo1 promotes meiotic crossing over by protecting DNA nicks from ligation. We found that structural elements in Exo1 that interact with DNA, such as those required for the bending of DNA during nick/flap recognition, are critical for its role in crossing over. Consistent with these observations, meiotic expression of the Rad2/XPG family member Rad27 partially rescued the crossover defect in exo1 null mutants, and meiotic overexpression of Cdc9 ligase reduced the crossover levels of exo1 DNA-binding mutants to levels that approached the exo1 null. In addition, our work identified a role for Exo1 in crossover interference. Together, these studies provide experimental evidence for Exo1-protected nicks being critical for the formation of meiotic crossovers and their distribution.
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Affiliation(s)
- Michael Gioia
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America
| | - Lisette Payero
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America
| | - Sagar Salim
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum, India
| | - Ghanim Fajish V.
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Amamah F. Farnaz
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum, India
| | - Gianno Pannafino
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America
| | - Jun Jie Chen
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America
| | - V. P. Ajith
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum, India
| | - Sherikat Momoh
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America
| | - Michelle Scotland
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America
| | - Vandana Raghavan
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America
| | - Carol M. Manhart
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania, United States of America
| | - Akira Shinohara
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - K. T. Nishant
- School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum, India
- Center for High-Performance Computing, Indian Institute of Science Education and Research Thiruvananthapuram, Trivandrum, India
| | - Eric Alani
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America
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Jo MK, Rhee K, Kim KP, Hong S. Yeast polyubiquitin unit regulates synaptonemal complex formation and recombination during meiosis. J Microbiol 2022; 60:705-714. [DOI: 10.1007/s12275-022-2204-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/09/2022] [Accepted: 06/10/2022] [Indexed: 10/17/2022]
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9
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Shang Y, Tan T, Fan C, Nie H, Wang Y, Yang X, Zhai B, Wang S, Zhang L. Meiotic chromosome organization and crossover patterns. Biol Reprod 2022; 107:275-288. [PMID: 35191959 DOI: 10.1093/biolre/ioac040] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/06/2022] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
Meiosis is the foundation of sexual reproduction, and crossover recombination is one hallmark of meiosis. Crossovers establish the physical connections between homolog chromosomes (homologs) for their proper segregation and exchange DNA between homologs to promote genetic diversity in gametes and thus progenies. Aberrant crossover patterns, e.g. absence of the obligatory crossover, are the leading cause of infertility, miscarriage, and congenital disease. Therefore, crossover patterns have to be tightly controlled. During meiosis, loop/axis organized chromosomes provide the structural basis and regulatory machinery for crossover patterning. Accumulating evidence shows that chromosome axis length regulates not only the numbers but also the positions of crossovers. In addition, recent studies suggest that alterations in axis length and the resultant alterations in crossover frequency may contribute to evolutionary adaptation. Here, current advances regarding these issues are reviewed, the possible mechanisms for axis length regulating crossover frequency are discussed, and important issues that need further investigations are suggested.
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Affiliation(s)
- Yongliang Shang
- Advanced Medical Research Institute, Shandong University, Jinan, Shandong 250012, China
| | - Taicong Tan
- State Key Laboratory of Microbial Technology, Shandong University, China
| | - Cunxian Fan
- Institute of Biomedical Sciences, College of Life Sciences, Key Laboratory of Animal Resistance Biology of Shandong Province, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Hui Nie
- Institute of Biomedical Sciences, College of Life Sciences, Key Laboratory of Animal Resistance Biology of Shandong Province, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Ying Wang
- State Key Laboratory of Microbial Technology, Shandong University, China
| | - Xiao Yang
- Advanced Medical Research Institute, Shandong University, Jinan, Shandong 250012, China.,Center for Reproductive Medicine, Shandong University
| | - Binyuan Zhai
- Advanced Medical Research Institute, Shandong University, Jinan, Shandong 250012, China
| | - Shunxin Wang
- Center for Reproductive Medicine, Shandong University.,National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China.,Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, Shandong 250001, China.,Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China
| | - Liangran Zhang
- Advanced Medical Research Institute, Shandong University, Jinan, Shandong 250012, China.,Institute of Biomedical Sciences, College of Life Sciences, Key Laboratory of Animal Resistance Biology of Shandong Province, Shandong Normal University, Jinan, Shandong, 250014, China
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