Plant sex chromosomes defy evolutionary models of expanding recombination suppression and genetic degeneration

SS Renner, NA Müller - Nature plants, 2021 - nature.com
Hundreds of land plant lineages have independently evolved separate sexes in either
gametophytes (dioicy) or sporophytes (dioecy), but 43% of all dioecious angiosperms are …

[HTML][HTML] The diversity and dynamics of sex determination in dioecious plants

AP Leite Montalvão, B Kersten, M Fladung… - Frontiers in Plant …, 2021 - frontiersin.org
The diversity of inflorescences among flowering plants is captivating. Such charm is not only
due to the variety of sizes, shapes, colors, and flowers displayed, but also to the range of …

A general model to explain repeated turnovers of sex determination in the Salicaceae

W Yang, D Wang, Y Li, Z Zhang, S Tong… - Molecular Biology …, 2021 - academic.oup.com
Dioecy, the presence of separate sexes on distinct individuals, has evolved repeatedly in
multiple plant lineages. However, the specific mechanisms by which sex systems evolve and …

Chromosome‐scale assembly of the genome of Salix dunnii reveals a male‐heterogametic sex determination system on chromosome 7

L He, KH Jia, RG Zhang, Y Wang, TL Shi… - Molecular Ecology …, 2021 - Wiley Online Library
Sex determination systems in plants can involve either female or male heterogamety (ZW or
XY, respectively). Here we used Illumina short reads, Oxford Nanopore Technologies (ONT) …

Sexual dimorphism in the dioecious willow Salix purpurea

FE Gouker, CH Carlson, J Zou, L Evans… - American Journal of …, 2021 - Wiley Online Library
Premise The evolution of sex chromosomes is driven by sexual dimorphism, yet it can be
challenging to document sexually dimorphic traits in dioecious plant species. At the genetic …

[HTML][HTML] The diversity of plant sex chromosomes highlighted through advances in genome sequencing

S Carey, Q Yu, A Harkess - Genes, 2021 - mdpi.com
For centuries, scientists have been intrigued by the origin of dioecy in plants, characterizing
sex-specific development, uncovering cytological differences between the sexes, and …

[HTML][HTML] The genetic basis of sex determination in provides molecular markers across the genus and indicates convergent evolution

G Kim, APL Montalvão, B Kersten, M Fladung… - Silvae …, 2021 - sciendo.com
Many dioecious angiosperms are trees, which only flower after years of vegetative
development and do not usually exhibit marked secondary sexual dimorphism …

[HTML][HTML] Genome-wide association mapping uncovers sex-associated copy number variation markers and female hemizygous regions on the W chromosome in Salix …

HR Hallingbäck, P Pucholt, PK Ingvarsson… - BMC genomics, 2021 - Springer
Background Sex chromosomes are in some species largely undifferentiated (homomorphic)
with restricted sex determination regions. Homomorphic but different sex chromosomes are …

Integrative genomics reveals paths to sex dimorphism in Salix purpurea L

B Hyden, CH Carlson, FE Gouker… - Horticulture …, 2021 - academic.oup.com
Sex dimorphism and gene expression were studied in developing catkins in 159 F 2
individuals from the bioenergy crop Salix purpurea, and potential mechanisms and …

木本植物性别决定基因研究进展

陆静, 陈赢男, 尹佟明 - 植物学报, 2021 - chinbullbotany.com
雌雄异株植物是研究性别决定遗传机制及性染色体起源与进化的理想材料,
而克隆性别决定基因是解析性别决定遗传机制的关键. 木本植物中有丰富的雌雄异株植物 …