ArticleMolecular genetics and genomics : MGG2007
Chromosomal location and gene paucity of the male specific region on papaya Y chromosome.
Article in Molecular genetics and genomics : MGG, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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36 citing papers in PubMed, 79 citations in OpenAlex.
- An X-linked sex determination mechanism in cannabis and hop.Nature communications · 2026Article
- Whole-genome sequencing reveals a possible molecular basis of sex determination in the dioecious wild yam Dioscorea tokoro.PLoS genetics · 2026Article
- An X-linked sex determination mechanism in cannabis and hop.bioRxiv : the preprint server for biology · 2025Article
- Representing sex chromosomes in genome assemblies.Cell genomics · 2022Article
- Do Ty3/Gypsy Transposable Elements Play Preferential Roles in Sex Chromosome Differentiation?Life (Basel, Switzerland) · 2022Review
- The Diversity of Plant Sex Chromosomes Highlighted through Advances in Genome Sequencing.Genes · 2021Review
- Cloning and physical localization of male-biased repetitive DNA sequences inComparative cytogenetics · 2021Article
- Fundamentally different repetitive element composition of sex chromosomes in Rumex acetosa.Annals of botany · 2021Article
- Identification and sequencing of Date-SRY Gene: A novel tool for sex determination of date palm (Saudi journal of biological sciences · 2019Article
- Sex and the flower - developmental aspects of sex chromosome evolution.Annals of botany · 2018Review
- Transition from Environmental to Partial Genetic Sex Determination in Daphnia through the Evolution of a Female-Determining Incipient W Chromosome.Molecular biology and evolution · 2017Article
- Genetic diversity and structure of wild populations of Carica papaya in Northern Mesoamerica inferred by nuclear microsatellites and chloroplast markers.Annals of botany · 2016Article
- Direct LAMP Assay without Prior DNA Purification for Sex Determination of Papaya.International journal of molecular sciences · 2016Article
- Review
- Confirmation of Single-Locus Sex Determination and Female Heterogamety in Willow Based on Linkage Analysis.PloS one · 2016Article
- Dynamics of sex expression and chromosome diversity in Cucurbitaceae: a story in the making.Journal of genetics · 2015Review
- The Evolutionary Tempo of Sex Chromosome Degradation in Carica papaya.Journal of molecular evolution · 2015Article
- Single locus sex determination and female heterogamety in the basket willow (Salix viminalis L.).Heredity · 2015Article
- Genome sequence comparison reveals a candidate gene involved in male-hermaphrodite differentiation in papaya (Carica papaya) trees.Molecular genetics and genomics : MGG · 2015Article
- Accumulation of interspersed and sex-specific repeats in the non-recombining region of papaya sex chromosomes.BMC genomics · 2014Article
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Authors and funding
16 authors at 7 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sex chromosomes in flowering plants evolved recently and many of them remain homomorphic, including those in papaya. We investigated the chromosomal location of papaya's small male specific region of the hermaphrodite Y (Yh) chromosome (MSY) and its genomic features. We conducted chromosome fluorescence in situ hybridization mapping of Yh-specific bacterial artificial chromosomes (BACs) and placed the MSY near the centromere of the papaya Y chromosome. Then we sequenced five MSY BACs to examine the genomic features of this specialized region, which resulted in the largest collection of contiguous genomic DNA sequences of a Y chromosome in flowering plants. Extreme gene paucity was observed in the papaya MSY with no functional gene identified in 715 kb MSY sequences. A high density of retroelements and local sequence duplications were detected in the MSY that is suppressed for recombination. Location of the papaya MSY near the centromere might have provided recombination suppression and fostered paucity of genes in the male specific region of the Y chromosome. Our findings provide critical information for deciphering the sex chromosomes in papaya and reference information for comparative studies of other sex chromosomes in animals and plants.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.