Genetic connectivity between trans-oceanic populations of Capreolia implexa (Gelidiales, Rhodophyta) in cool temperate waters of Australasia and Chile.

Boo,GH, Mansilla,A, Nelson,W, Bellgrove,A and Boo,SM 2014, Genetic connectivity between trans-oceanic populations of Capreolia implexa (Gelidiales, Rhodophyta) in cool temperate waters of Australasia and Chile., Aquatic Botany, vol. 119, pp. 73-79, doi: 10.1016/j.aquabot.2014.08.004.

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Title Genetic connectivity between trans-oceanic populations of Capreolia implexa (Gelidiales, Rhodophyta) in cool temperate waters of Australasia and Chile.
Author(s) Boo,GH
Mansilla,A
Nelson,W
Bellgrove,AORCID iD for Bellgrove,A orcid.org/0000-0002-0499-3439
Boo,SM
Journal name Aquatic Botany
Volume number 119
Start page 73
End page 79
Total pages 7
Publisher Elsevier
Place of publication Amsterdam , Netherlands
Publication date 2014-08-17
ISSN 0304-3770
Keyword(s) Amphipacific distribution
Genetic diversity
Haplotype network
Introduced species
Rafting
Southern hemisphere
Science & Technology
Life Sciences & Biomedicine
Plant Sciences
Marine & Freshwater Biology
MOLECULAR PHYLOGENY
NEW-ZEALAND
MORPHOLOGY
DIVERSITY
SEQUENCES
COMMUNITY
ATLANTIC
PACIFIC
GENUS
ALGA
Summary Capreolia is a monospecific genus of gelidioid red algae and has been considered to be endemic to Australasia. This is the first report on the occurrence of Capreolia implexa outside of Australasian waters, based on investigations of fresh collections in southern Chile as well as Australia and New Zealand. Thalli are prostrate and form entangled turfs, growing on high intertidal rocks at three locations in Chile. Analyses of rbcL and cox1 revealed that C. implexa was of Australasian origin and also distinct from its relatives. Analyses of 1356. bp of cox1 revealed cryptic diversity, consisting of two genealogical groups within C. implexa; one present in Australia and New Zealand, and the other in Chile and Stewart Island, New Zealand. The extremely low genetic diversity found in C. implexa in Chile and the absence of shared haplotypes between Chile and Australasia suggest genetic bottleneck possibly as a result of colonization after dispersal by rafting from Stewart Island, New Zealand to Chile. © 2014 Elsevier B.V.
Language eng
DOI 10.1016/j.aquabot.2014.08.004
Field of Research 060701 Phycology (incl Marine Grasses)
Socio Economic Objective 960407 Control of Pests, Diseases and Exotic Species in Marine Environments
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Persistent URL http://hdl.handle.net/10536/DRO/DU:30069695

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