Porphyra migitae sp nov (Bangiales, Rhodophyta) from Japan

被引：13

作者：

Kikuchi, Norio ^{[1
]}

Arai, Shogo ^{[2
]}

Yoshida, Goro ^{[3
]}

Shin, Jong-Ahm ^{[4
,5
]}

Broom, Judy E. ^{[6
]}

Nelson, Wendy A. ^{[7
]}

Miyata, Masahiko ^{[1
]}

机构：

[1] Nat Hist Museum & Inst, Coastal Branch, Chiba 2995242, Japan

[2] Marine Algal Res Co Ltd, Shinnguu, Fukuoka 8110114, Japan

[3] Natl Res Inst Fisheries & Environm Inland Sea, Oono, Hiroshima 7390452, Japan

[4] Chonnam Natl Univ, Aquaculture Res Ctr, Yeosu 550749, Chonnam, South Korea

[5] Chonnam Natl Univ, Coll Fisheries & Ocean Sci, Yeosu 550749, Chonnam, South Korea

[6] Univ Otago, Dept Biochem, Dunedin, New Zealand

[7] Natl Inst Water & Atmospher Res, Wellington, New Zealand

来源：

PHYCOLOGIA | 2010年 / 49卷 / 04期

关键词：

Bangiales; Life history; Morphology; Species nova; nSSU; Porphyra migitae; rbcL; Rhodophyta; RIBOSOMAL-RNA GENE; YEZOENSIS; TENERA; DIVERSITY; NUCLEAR;

D O I：

10.2216/09-82.1

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A new species of Porphyra, Porphyra migitae sp. nov., coloured fire red and collected subtidally in two localities in Japan, is described based on morphology, life history and molecular analyses. The new species can be distinguished from other fire-red coloured Porphyra species by a range of characters including the presence of conchospores and many archeospores and neutral spores on foliose thalli. Foliose thalli, which are sometimes lobed, are monoecious, and clearly distinguishable patches of spermatangial soli are not formed. Many holes are formed on the foliose thalli after release of spermatia. This species has a heteromorphic life history in which the macroscopic gametophytic foliose thalli alternate with the microscopic sporophytic filamentous thalli (conchocelis). In addition, the life history includes additional reproductive cycles of the foliose thalli via archeospores and neutral spores. This species has the widest range of asexual reproductive strategies so far observed in the Bangiales. Molecular phylogenies based on both the nuclear SSU rDNA and the rbcL, genes enable this species to be distinguished from other species of Porphyra for which there are equivalent data.

引用

页码：345 / 354

页数：10

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