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Mol Biol Evol 2022 Jun 28. Epub 2022 Jun 28.

Department of Bioscience, School of Science, Kitasato University, 1-15-1 Kitasato, Minamiku Sagamihara, Kanagawa 252-0373, Japan.

Most vertebrate sex-determining genes (SDGs) emerge as neofunctionalized genes through duplication and/or mutation of ancestral genes that are involved with sexual differentiation. We previously demonstrated dm-W to be the SDG in the African clawed frog Xenopus laevis and found that a portion of this gene emerged from the masculinization gene dmrt1 after allotetraploidization by interspecific hybridization between two ancestral species around 17-18 million years ago. dm-W has four exons consisting of a noncoding exon 1, dmrt1-derived exons 2 and 3, and an orphan exon 4 (Ex4) of unknown origin that includes coding sequence. Read More

Life (Basel) 2022 Jun 7;12(6). Epub 2022 Jun 7.

Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, College of Forestry, Southwest Forestry University, Kunming 650224, China.

The genus is an evergreen plant, the most numerous species in the family Moraceae, and is often used as a food and pharmacy source. The phylogenetic relationships of the genus have been debated for many years due to the overlapping phenotypic characters and morphological similarities between the genera. In this study, the eight species (, , , ,  ,  ,  , and ) complete chloroplast (cp) genomes were successfully sequenced and phylogenetic analyses were made with other species. Read More

Insects 2022 May 30;13(6). Epub 2022 May 30.

College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.

As one of the largest families of beetles (Coleoptera), the Staphylinidae (rove beetles and their relatives) are rich not only in extant species but also in a comparatively robust fossil record. Despite this preponderance of available fossil material, fossils of the diverse subfamily Osoriinae remain rare. Here, we describe a new ososriine species, sp. Read More

Plant Biol (Stuttg) 2022 Jun 21. Epub 2022 Jun 21.

School of Biological Sciences, Monash University, Clayton, Victoria, Australia.

Domesticated sorghum (Sorghum bicolor [L.] Moench subsp. bicolor) diverts significant amounts of nitrogen away from primary metabolism to the synthesis of cyanogenic glucosides (CNglc) - specialized metabolites that release toxic hydrogen cyanide (HCN). Read More

Genes (Basel) 2022 Apr 21;13(5). Epub 2022 Apr 21.

Department of Biological Sciences, Sungkyunkwan University, 2066 Seobu-ro, Suwon 16419, Korea.

is a taxonomically and ornamentally important genus in the family Rosaceae; however, phylogenetic relationships among its species are complicated owing to insufficient morphological diagnostic characteristics and hybridization associated with polyploidy and apomixis. In this study, we sequenced the complete plastomes of seven species (, , , , , , and ) and included the available complete plastomes in a phylogenetic analysis to determine the origin of , which is endemic to Ulleung Island, Korea. Furthermore, based on 15 representative lineages within the genus, we carried out the first comparative analysis of plastid genomes to gain an insight into their molecular evolution. Read More