The life history in culture of petrocelis cruenta j. Agardh (rhodophyta) from ireland

Alan R. Polanshek; John A. West; Michael D. Guiry

doi:10.1080/00071617700650061

The life history in culture of petrocelis cruenta j. Agardh (rhodophyta) from ireland

Alan R. Polanshek
, John A. West
, Michael D. Guiry

San José State University
University of California Berkeley
University of Portsmouth

Research output: Contribution to a Journal (Peer & Non Peer) › Article › peer-review

24 Citations (Scopus)

Abstract

Tetraspores of Petrocelis cruenta J. Agardh from County Waterford, Ireland gave rise to foliose, dioecious gametophytes in culture. Carpospores from this foliose phase gave rise to Petrocelis-like crusts that have not reproduced in culture. Anatomical and reproductive characteristics of the female gametophyte indicate that the naturally occurring gametophyte of P. cruenta is a species of Gigartina subgenus Mastocarpus. Gigartina stellata (Stackh.) Batt. is postulated to represent the naturally occurring gametophyte of P. cruenta in Ireland and possibly elsewhere. Field-collected sporophytes and cultured gametophytes of P. cruenta were compared with P. middendorffii (Ruprecht) Kjellman from the North Pacific. Results of attempted crosses between gametophyte stages of P. cruenta and P. middendorffii indicate that these species are reproductively isolated. The available evidence supports the continued recognition of P. cruenta and P. middendorffii as distinct species.

Original language	English
Pages (from-to)	45-53
Number of pages	9
Journal	British Phycological Journal
Volume	12
Issue number	1
DOIs	https://doi.org/10.1080/00071617700650061
Publication status	Published - 1 Mar 1977
Externally published	Yes

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10.1080/00071617700650061

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title = "The life history in culture of petrocelis cruenta j. Agardh (rhodophyta) from ireland",

abstract = "Tetraspores of Petrocelis cruenta J. Agardh from County Waterford, Ireland gave rise to foliose, dioecious gametophytes in culture. Carpospores from this foliose phase gave rise to Petrocelis-like crusts that have not reproduced in culture. Anatomical and reproductive characteristics of the female gametophyte indicate that the naturally occurring gametophyte of P. cruenta is a species of Gigartina subgenus Mastocarpus. Gigartina stellata (Stackh.) Batt. is postulated to represent the naturally occurring gametophyte of P. cruenta in Ireland and possibly elsewhere. Field-collected sporophytes and cultured gametophytes of P. cruenta were compared with P. middendorffii (Ruprecht) Kjellman from the North Pacific. Results of attempted crosses between gametophyte stages of P. cruenta and P. middendorffii indicate that these species are reproductively isolated. The available evidence supports the continued recognition of P. cruenta and P. middendorffii as distinct species.",

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year = "1977",

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AU - West, John A.

AU - Guiry, Michael D.

PY - 1977/3/1

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N2 - Tetraspores of Petrocelis cruenta J. Agardh from County Waterford, Ireland gave rise to foliose, dioecious gametophytes in culture. Carpospores from this foliose phase gave rise to Petrocelis-like crusts that have not reproduced in culture. Anatomical and reproductive characteristics of the female gametophyte indicate that the naturally occurring gametophyte of P. cruenta is a species of Gigartina subgenus Mastocarpus. Gigartina stellata (Stackh.) Batt. is postulated to represent the naturally occurring gametophyte of P. cruenta in Ireland and possibly elsewhere. Field-collected sporophytes and cultured gametophytes of P. cruenta were compared with P. middendorffii (Ruprecht) Kjellman from the North Pacific. Results of attempted crosses between gametophyte stages of P. cruenta and P. middendorffii indicate that these species are reproductively isolated. The available evidence supports the continued recognition of P. cruenta and P. middendorffii as distinct species.

AB - Tetraspores of Petrocelis cruenta J. Agardh from County Waterford, Ireland gave rise to foliose, dioecious gametophytes in culture. Carpospores from this foliose phase gave rise to Petrocelis-like crusts that have not reproduced in culture. Anatomical and reproductive characteristics of the female gametophyte indicate that the naturally occurring gametophyte of P. cruenta is a species of Gigartina subgenus Mastocarpus. Gigartina stellata (Stackh.) Batt. is postulated to represent the naturally occurring gametophyte of P. cruenta in Ireland and possibly elsewhere. Field-collected sporophytes and cultured gametophytes of P. cruenta were compared with P. middendorffii (Ruprecht) Kjellman from the North Pacific. Results of attempted crosses between gametophyte stages of P. cruenta and P. middendorffii indicate that these species are reproductively isolated. The available evidence supports the continued recognition of P. cruenta and P. middendorffii as distinct species.

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ER -

The life history in culture of petrocelis cruenta j. Agardh (rhodophyta) from ireland

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