Dynamic hybridization between two spleenworts, Asplenium incisum and Asplenium ruprechtii in Korea
نویسندگان
چکیده
Natural hybridization between Asplenium incisum and A. ruprechtii has been observed in Northeast Asia its allotetraploid species, castaneoviride , was reported. However, the process parental species origin of taxon remains obscure. Additionally, systematic affinities recently described hybrid bimixtum considered to have originated from trichomanes is unresolved owing similarity . The goals this study were (1) investigate ; (2) verify occurring Korea, whether it independently arose 2x sterile hybrids; (3) elucidate reliability identifying Three genotypes, their hybrid, identified based on nuclear gene pgiC sequence finally divided them into six types by ploidy levels: diploid four (diploid × triploid ). In analyses plastid DNA, all hybrids had an -type rbcL gene. addition, plastomes high pairwise identities greater than 98.48%. They increased up 99.88% when a large deletion x castaneoriviride (2x) collected Buramsan populations ignored. Notably, also found same populations. Sequence data genes showed that unidirectional, maternal parent. rpoC2-rps2 commonly different population suggests can be created hybrids. We assume both polyploidization driving allopolyploidy minority cytotype exclusion took place population, since A castaenoviride co-occurs with small Furthermore, enlarged noncoding region fern organelle (ENRIFO) plastome genus
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ژورنال
عنوان ژورنال: Frontiers in Plant Science
سال: 2023
ISSN: ['1664-462X']
DOI: https://doi.org/10.3389/fpls.2023.1116040