@ARTICLE{TreeBASE2Ref23273,
author = {Jolanta Maria Miadlikowska and David Richardson and Nicolas Magain and Bernard Ball and Frances Anderson and Robert Cameron and James Lendemer and Camille Truong and Francois Lutzoni},
title = {Phylogenetic placement, species delimitation, and cyanobiont identity of endangered aquatic Peltigera species (lichen-forming Ascomycota, Lecanoromycetes)},
year = {2014},
keywords = {aquatic lichens; Capsosira; cyanobiont; elongation factor 2; fungal systematics; multilocus phylogenetics; mycobiont; Nostoc; section Hydrothyriae; species delimitation},
doi = {},
url = {http://},
pmid = {},
journal = {American Journal of Botany},
volume = {},
number = {},
pages = {},
abstract = {Premise of this study: Aquatic cyanolichens from the genus Peltigera section Hydrothyriae are subject to anthropogenic threats and, therefore, are considered endangered. In this study we addressed the phylogenetic placement of section Hydrothyriae within Peltigera, and evaluated the monophyletic delimitation of three putative species and the identity of the cyanobiont associated with aquatic Peltigera.
Methods: Species delimitation and population structure were explored using monophyly as a grouping criterion (RAxML), and Structurama based on three protein-coding genes in combination with two nuclear ribosomal loci. The 16S and rbcLX sequences for the cyanobionts were analyzed in the broad phylogenetic context of free-living and symbiotic cyanobacteria.
Key results: We confirm with high confidence the placement of section Hydrothyriae within the monophyletic genus Peltigera, however, its phylogenetic position within the genus remains unsettled. We recovered three distinct monophyletic groups corresponding to three species: P. hydrothyria, P. gowardii s.str., and P. aquatica Miadl. & Lendemer, the latter being formally introduced here. Each species was associated with an exclusive set of Nostoc haplotypes.
Conclusions: Although morphologically cryptic, the ITS region alone provides sufficient degree of genetic variation for distinguishing all three species within section Hydrothyriae. Section Hydrothyriae seems to be associated with a monophyletic lineage of Nostoc that has not been found in symbiotic association with other members of Peltigera. Capsosira lowei should be transferred to the genus Nostoc. Potential threats to P. aquatica should be re-examined based on the recognition of two aquatic species in western North America.
}
}
Taxa for Study 15894
Citation title:
"Phylogenetic placement, species delimitation, and cyanobiont identity of endangered aquatic Peltigera species (lichen-forming Ascomycota, Lecanoromycetes)".
Study name:
"Phylogenetic placement, species delimitation, and cyanobiont identity of endangered aquatic Peltigera species (lichen-forming Ascomycota, Lecanoromycetes)".
This study is part of submission 15894
(Status: Published).
Taxa
ID |
Taxon Label |
NCBI taxid |
uBIO namebankID |
2342292 |
Peltigera aphthosa P1321 |
52881
|
441990
|
2342258 |
Peltigera aphthosa P788 |
52881
|
441990
|
2342251 |
Peltigera aquatica HV12 |
|
|
2342260 |
Peltigera aquatica HV14 |
|
|
2342268 |
Peltigera aquatica HV16 |
|
|
2342276 |
Peltigera aquatica HV17 |
|
|
2342245 |
Peltigera aquatica HV18 |
|
|
2342275 |
Peltigera aquatica HV19 |
|
|
2342243 |
Peltigera aquatica P1430 |
|
|
2342278 |
Peltigera aquatica P1434 |
|
|
2342255 |
Peltigera britannica P227 |
52882
|
3872005
|
2342254 |
Peltigera britannica P228 |
52882
|
3872005
|
2342271 |
Peltigera dolichorrza P348 |
|
|
2342252 |
Peltigera frippii P1370 |
161989
|
3045860
|
2342273 |
Peltigera gowardii HV13 |
|
|
2342286 |
Peltigera gowardii HV22 |
|
|
2342287 |
Peltigera gowardii P1417 |
|
|
2342284 |
Peltigera gowardii P1418 |
|
|
2342281 |
Peltigera gowardii P1419 |
|
|
2342290 |
Peltigera gowardii P1420 |
|
|
2342265 |
Peltigera gowardii P1421 |
|
|
2342288 |
Peltigera gowardii P1422 |
|
|
2342285 |
Peltigera gowardii P1423 |
|
|
2342279 |
Peltigera gowardii P1429 |
|
|
2342266 |
Peltigera hydrothyria HV01 |
161991
|
3368725
|
2342274 |
Peltigera hydrothyria HV02 |
161991
|
3368725
|
2342289 |
Peltigera hydrothyria HV03 |
161991
|
3368725
|
2342248 |
Peltigera hydrothyria HV04 |
161991
|
3368725
|
2342280 |
Peltigera hydrothyria HV06 |
161991
|
3368725
|
2342293 |
Peltigera hydrothyria HV07 |
161991
|
3368725
|
2342267 |
Peltigera hydrothyria HV20 |
161991
|
3368725
|
2342264 |
Peltigera hydrothyria HV21 |
161991
|
3368725
|
2342291 |
Peltigera hydrothyria HV25 |
161991
|
3368725
|
2342261 |
Peltigera hydrothyria P1492 |
161991
|
3368725
|
2342247 |
Peltigera hydrothyria P1493 |
161991
|
3368725
|
2342242 |
Peltigera hydrothyria P1494 |
161991
|
3368725
|
2342257 |
Peltigera hydrothyria P1495 |
161991
|
3368725
|
2342269 |
Peltigera hydrothyria P1496 |
161991
|
3368725
|
2342253 |
Peltigera hydrothyria P1497 |
161991
|
3368725
|
2342262 |
Peltigera hydrothyria P1498 |
161991
|
3368725
|
2342282 |
Peltigera hydrothyria P1845 |
161991
|
3368725
|
2342277 |
Peltigera latiloba P1175 |
|
|
2342256 |
Peltigera latiloba P210 |
|
|
2342272 |
Peltigera leucophlebia P1329 |
52883
|
3872011
|
2342250 |
Peltigera leucophlebia P1333 |
52883
|
3872011
|
2342259 |
Peltigera malacea P1028 |
52884
|
3872012
|
2342244 |
Peltigera malacea P1363 |
52884
|
3872012
|
2342263 |
Peltigera pacifica P443 |
162001
|
2642140
|
2342283 |
Peltigera polydactylon P385 |
162003
|
3296168
|
2342270 |
Peltigera scabrosa P107 |
162009
|
3872017
|
2342249 |
Peltigera venosa P1905 |
162011
|
3872018
|
2342246 |
Peltigera venosa P69 |
162011
|
3872018
|