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Seasonal acclimatization of thallus proline contents of Mastocarpus stellatus and Chondrus crispus: intertidal rhodophytes that differ in freezing tolerance.
J Phycol. 2018 06; 54(3):419-422.JP

Abstract

Mastocarpus stellatus and Chondrus crispus often co-occur in the lower intertidal of Northern Atlantic rocky shorelines. At our field site along the Maine coast (USA), Mastocarpus stellatus thalli possessed greater contents of proline when compared with thalli of Chondrus crispus. In addition, M. stellatus thalli acclimated to colder growth conditions in winter/early spring by increasing proline content several fold; no seasonal acclimation in proline content was observed in C. crispus. Proline accumulates in the tissues of a broad diversity of freezing-tolerant organisms and is among the most common cryoprotectant molecules. Thus, our observations provide a basis for the previously well-documented greater freezing tolerance of Mastocarpus stellatus when compared with Chondrus crispus.

Authors+Show Affiliations

Biology Department, Bowdoin College, Brunswick, ME, 04011, USA.Biology Department, Bowdoin College, Brunswick, ME, 04011, USA.

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

29455456

Citation

Harris, Jonathan P., and Barry A. Logan. "Seasonal Acclimatization of Thallus Proline Contents of Mastocarpus Stellatus and Chondrus Crispus: Intertidal Rhodophytes That Differ in Freezing Tolerance." Journal of Phycology, vol. 54, no. 3, 2018, pp. 419-422.
Harris JP, Logan BA. Seasonal acclimatization of thallus proline contents of Mastocarpus stellatus and Chondrus crispus: intertidal rhodophytes that differ in freezing tolerance. J Phycol. 2018;54(3):419-422.
Harris, J. P., & Logan, B. A. (2018). Seasonal acclimatization of thallus proline contents of Mastocarpus stellatus and Chondrus crispus: intertidal rhodophytes that differ in freezing tolerance. Journal of Phycology, 54(3), 419-422. https://doi.org/10.1111/jpy.12624
Harris JP, Logan BA. Seasonal Acclimatization of Thallus Proline Contents of Mastocarpus Stellatus and Chondrus Crispus: Intertidal Rhodophytes That Differ in Freezing Tolerance. J Phycol. 2018;54(3):419-422. PubMed PMID: 29455456.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Seasonal acclimatization of thallus proline contents of Mastocarpus stellatus and Chondrus crispus: intertidal rhodophytes that differ in freezing tolerance. AU - Harris,Jonathan P, AU - Logan,Barry A, Y1 - 2018/03/23/ PY - 2017/06/21/received PY - 2018/01/21/accepted PY - 2018/2/20/pubmed PY - 2019/9/19/medline PY - 2018/2/19/entrez KW - Chondrus crispus KW - Mastocarpus stellatus KW - Maine KW - acclimatization KW - cryoprotectant KW - freezing KW - intertidal KW - proline SP - 419 EP - 422 JF - Journal of phycology JO - J Phycol VL - 54 IS - 3 N2 - Mastocarpus stellatus and Chondrus crispus often co-occur in the lower intertidal of Northern Atlantic rocky shorelines. At our field site along the Maine coast (USA), Mastocarpus stellatus thalli possessed greater contents of proline when compared with thalli of Chondrus crispus. In addition, M. stellatus thalli acclimated to colder growth conditions in winter/early spring by increasing proline content several fold; no seasonal acclimation in proline content was observed in C. crispus. Proline accumulates in the tissues of a broad diversity of freezing-tolerant organisms and is among the most common cryoprotectant molecules. Thus, our observations provide a basis for the previously well-documented greater freezing tolerance of Mastocarpus stellatus when compared with Chondrus crispus. SN - 1529-8817 UR - https://www.unboundmedicine.com/medline/citation/29455456/Seasonal_acclimatization_of_thallus_proline_contents_of_Mastocarpus_stellatus_and_Chondrus_crispus:_intertidal_rhodophytes_that_differ_in_freezing_tolerance_ DB - PRIME DP - Unbound Medicine ER -
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