Endoplura jejuensis sp. nov. and Endoplura koreana sp. nov. (Ralfsiales, Phaeophyceae) from Korea based on molecular and morphological analyses

被引:4
作者
Oteng'o, Antony Otinga [1 ,2 ,3 ]
Cho, Tae Oh [1 ,2 ,3 ]
Won, Boo Yeon [1 ]
机构
[1] Chosun Univ, Dept Life Sci, Gwangju 61452, South Korea
[2] Chosun Univ, Dept Integrat Biol Sci, Gwangju 61452, South Korea
[3] Chosun Univ, BK21 Educ Res Grp Age Associated Disorder Control, Gwangju 61452, South Korea
基金
新加坡国家研究基金会;
关键词
brown algae; COI-5P; Endoplura; phylogeny; Ralfsiales; rbcL; taxonomy; RBCL; DICTYOTALES; PHYLOGENY; SEQUENCES; INFERENCE; MRBAYES;
D O I
10.4490/algae.2021.36.7.22
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The crustose brown algal genus Endoplura has been known as a monotypic genus characterized by its intercalary plurangial reproductive structures composed of 2-4 separate parallel filaments terminated by 2-5 sterile cells and by containing several to many chloroplasts per cell. In this study, Endoplura jejuensis sp. nov. and E. koreana sp. nov. from Korea are newly described based on molecular and morphological analyses. Our phylogenetic analyses of the rbcL gene reveal that E. jejuensis sp. nov. and E. koreana sp. nov. are placed in the same clade with "E. aurea" from Japan with a strong bootstrap supporting value. E. jejuensis is characterized by small and light to dark brown crustose thalli of less than 1 cm diameter, tufts of hairs arising from the basal disc, plurangia composed mostly of two separate parallel repro-ductive filaments terminated by 2-4 sterile cells, and sessile unangia each with a single paraphysis. E. koreana is distin-guished by olive or yellowish-brown crustose thalli of up to 3 cm diameter, tufts of hairs arising from the basal disc, and apical parts of erect filaments, plurangia with 2-5 separate reproductive filaments terminated by 2-8 sterile cells, and sessile unangia with 1-2 paraphyses. Our studies also show that "E. aurea" specimens from Japan may be recognized to be a different species from other Endoplura species.
引用
收藏
页码:155 / 163
页数:9
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