Quite an oddity: new worldwide records of Renouxia (Rhodogorgonales, Rhodophyta), including R. marerubra sp. nov.

Quite an oddity: new worldwide records of Renouxia (Rhodogorgonales, Rhodophyta), including R. marerubra sp. nov.
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相当奇怪的是:Renouxia(Rhodogorgonales,Rhodophyta)的新的世界记录,包括 R. marerubra sp。

DOI:
10.1080/09670262.2019.1670362
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发表时间:
2020
影响因子:
2.4
通讯作者:
Fredericq, Suzanne
Fredericq, Suzanne
中科院分区:
生物学3区
文献类型:
--
作者:
Gabriel, Daniela;Draisma, Stefano G.A.;Schils, Tom;Schmidt, William E.;Sauvage, Thomas;Harris, D. James;Norris, James N.;Fredericq, Suzanne

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凝胶状、含钙的红藻Renouxia antillana于1995年根据来自法属西印度群岛瓜德罗普的材料被描述,并与来自伯利兹和加勒比巴拿马的Rhodogorgon属一起被纳入一个新的科和目(Rhodogorgonaceae,Rhodogorgonales)沿着。20多年来,Renouxia一直保持单型,在加勒比海和印度-太平洋地区(从留尼汪岛到法属波利尼西亚)很少报告。对最近从埃及采集到的Renouxiaspecimens的DNA分析表明,它们与加勒比海的物种不同。安蒂拉纳和被描述为R。马雷鲁布拉斯普红海标本与属型间的未校正p-距离COI为8.0%,rbcL为6.5-7.3%,UPA为3.1%。形态和解剖特征也提出了新描述的物种,并与其同类相比,与第一次记录的报道在Rhodogorgonales雌雄同株。除了在红海发现的新记录种Renouxia外,本文还对该属的地理分布进行了扩展,增加了来自斯里兰卡、印度尼西亚以及西太平洋的关岛和科斯雷的新记录种。UPA系统发育表明,这些新的分布记录也可能代表未描述的物种,代表两个不同的遗传组。
The gelatinous, calciferous red algaRenouxia antillanawas described in 1995 based on material from Guadeloupe, French West Indies, and accommodated in a new family and order (Rhodogorgonaceae, Rhodogorgonales) along with the genusRhodogorgonfrom Belize and Caribbean Panama. For more than 20 years,Renouxiahas remained monotypic, with rare reports in the Caribbean and the Indo-Pacific (from Réunion Island to French Polynesia). DNA-based analyses of recently collectedRenouxiaspecimens from Egypt showed that they are not conspecific with the CaribbeanR. antillanaand are described asR. marerubrasp. nov. Uncorrectedp-distances between the Red Sea specimens and the generitype were 8.0% for COI, 6.5-7.3% forrbcL and 3.1% for UPA. Morphological and anatomical features are also presented for the newly described species and compared to its congener, with the first documented report of monoecism in the Rhodogorgonales. Besides the new record ofRenouxiafrom the Red Sea, the geographic distribution of the genus is here extended with additional records from Sri Lanka, Indonesia, as well as the islands of Guam and Kosrae in the Western Pacific. The UPA phylogeny suggests that these new distribution records may also represent undescribed species, with representatives in two distinct genetic groups.
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