Description of two new species of Ochtodes (Rhodophyta: Gigartinales) from Caribbean Mexico on the basis of morphological and molecular evidence

Luz Elena Mateo-Cid; A. Catalina Mendoza-González; Abel Sentíes; Jhoana Díaz-Larrea; Deisy Y. García-López; Beatriz Martinez-Daranas

doi:10.1515/bot-2015-0069

Article

Description of two new species of Ochtodes (Rhodophyta: Gigartinales) from Caribbean Mexico on the basis of morphological and molecular evidence

Luz Elena Mateo-Cid
Luz Elena Mateo-Cid is Professor-Researcher of Marine Botany at Escuela Nacional de Ciencias Biológicas-Instituto Politécnico Nacional. She was awarded a PhD in Biological Sciences by the Universidad Autónoma Metropolitana for work on taxonomy in Neogoniolithon, Pneophyllum and Spongites, and studied floristics and taxonomy in seaweeds for over 28 years. She is co-author of 73 peer reviewed articles and three book chapters on marine algae. Her more recent research has concentrated on taxonomy and phylogeny of selected genera of red algae.
, A. Catalina Mendoza-González
A. Catalina Mendoza-González is Professor-Researcher of algae at National School of Biological Sciences (ENCB) of National Polytechnic Institute (IPN). She was awarded a PhD by the Autonomous Metropolitan University in Biological Sciences and Health. She has worked on coralline algae and other seaweeds from the Mexican coast for over 40 years, more recently in applications of Mexican macro- and microalgae. She is co-author of 73 peer reviewed articles and three book chapters on marine algae.
, Abel Sentíes
Abel Sentíes is Professor-Researcher of Marine Botany at Universidad Autónoma Metropolitana. He was awarded a PhD in Algal Systematics by the Universidad Nacional Autónoma de México for work on taxonomy in Laurencia, and studied floristics and taxonomy in seaweeds for over 25 years. His more recent research has concentrated on phylogeny, biogeography and conservation of seaweeds. He is author of the student textbook The Biology of Algae, and is currently associate editor of Revista Mexicana de Biodiversidad and Hidrobiológica.
, Jhoana Díaz-Larrea
Jhoana Díaz-Larrea is Titular Professor of Marine Biology at the Universidad Autónoma Metropolitana-Campus Iztapalapa located in Mexico city. She was awarded a PhD in Algae Systematics from this university for her work on the molecular systematics of the Laurencia complex in the Mexican Caribbean. For 15 years she has studied the diversity of seaweeds across Cuba and Mexico, including the phylogeny and population genetics of several groups of red, green and brown algae. She is coauthor of 38 peer reviewed articles and two book chapters. She is part of the Editorial Board of a Mexican scientific journal (Hidrobiológica), as well as referee of some Latin-American journals (including Hidrobiológica – Mexico, Serie Oceanológica-Cuba, Revista Mexicana de Biodiversidad-Mexico and Revista de Investigaciones Marinas – Cuba).
, Deisy Y. García-López
Deisy Y. García-López is Professor at the National School of Biological Sciences, Mexico. She is member of the Mesoamerican Society for Biology and Conservation (SMBC). She has published three articles, including one on the study on Lithophyllum (Corallinales, Rhodophyta) in the Gulf of Mexico and the Mexican Caribbean, recently published in Acta Botanica Venezuelica. She has participated in several research projects related to the taxonomy of micro- and macroalgae, as well as in national and international congresses; she has a special interest in conducting population and molecular studies on Lithophyllum.
and Beatriz Martinez-Daranas
Beatriz Martinez-Daranas is Auxiliary Professor of Marine Biology at the Centro de Investigaciones Marinas (Havana University). She was awarded a PhD in Seagrass Ecology by this University for her work on the distribution and state of seagrasses along the Sabana-Camagüey archipelago, Cuba. For 22 years she has studied the distribution and diversity of seaweeds and seagrasses across Cuba, in different ecosystems (coral reef, seagrass meadows, and mangrove roots) and the relation with coastal development and changing environment. More recent research has concentrated on developing methods for assessing the environmental state of ecosystems and impacts of climatic change. She is coauthor of the book Macroalgas marinas de Cuba (Editorial UH, La Habana, 2015) and she is part of the Editorial Board of two Cuban scientific periodicals (Revista de Investigaciones Marinas and Revista del Jardín Botánico Nacional), as well as referee of some Latin-American journals (including Hidrobiologica-Mexico and International Journal of Tropical Biology-Costa Rica).

Published/Copyright: May 9, 2016

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From the journal Botanica Marina Volume 59 Issue 2-3

Abstract

The species diversity of the red algal genus Ochtodes from Caribbean Mexico is reconsidered after a new collection in this region. A combined analysis of plastid rbcL sequences together with detailed morphological studies has confirmed the presence of two undescribed species in addition to Ochtodes secundiramea. Ochtodes akumalensis sp. nov. has abundant spiny branches, especially on the main axis, and robust cystocarps densely aggregate at the branch tips. In contrast, Ochtodes maguachaveziae sp. nov. lacks spiny branches and gland cells, and bears scattered cystocarps near the branch apices. Both species develop cruciately to obliquely divided zonate tetrasporangia. The molecular analysis showed that O. maguachaveziae and O. akumalensis represent separate taxonomic entities with a 1.8% sequence divergence between them. The description of two new species of Ochtodes from Caribbean Mexico suggest that our knowledge of the regional diversity of this genus is still incomplete.

Keywords: Caribbean; molecular; morphological; Ochtodes; phylogeny; rbcL

Funding source: Instituto Politécnico Nacional

Award Identifier / Grant number: SIP-20144357

Award Identifier / Grant number: 20150767

Award Identifier / Grant number: 20150850

Funding statement: We thank the Instituto Politécnico Nacional (SIP-20144357, 20150767, 20150850) and Universidad Autónoma Metropolitana-Iztapalapa for financial support of this study. LEMC and ACMG thank the Comisión de Operación y Fomento de Actividades Académicas del I.P.N. for a fellowship and the program Estimulo al Desempeño de la Investigación (EDI-IPN) for additional support. Thanks to Julio A. Acosta Calderón for his support in the fieldwork. AS and JDL thank Promep-SEP (UAMI/CA/117). Sincere thanks are due to the referees who reviewed and improved the manuscript.

About the authors

Luz Elena Mateo-Cid

Luz Elena Mateo-Cid is Professor-Researcher of Marine Botany at Escuela Nacional de Ciencias Biológicas-Instituto Politécnico Nacional. She was awarded a PhD in Biological Sciences by the Universidad Autónoma Metropolitana for work on taxonomy in Neogoniolithon, Pneophyllum and Spongites, and studied floristics and taxonomy in seaweeds for over 28 years. She is co-author of 73 peer reviewed articles and three book chapters on marine algae. Her more recent research has concentrated on taxonomy and phylogeny of selected genera of red algae.

A. Catalina Mendoza-González

A. Catalina Mendoza-González is Professor-Researcher of algae at National School of Biological Sciences (ENCB) of National Polytechnic Institute (IPN). She was awarded a PhD by the Autonomous Metropolitan University in Biological Sciences and Health. She has worked on coralline algae and other seaweeds from the Mexican coast for over 40 years, more recently in applications of Mexican macro- and microalgae. She is co-author of 73 peer reviewed articles and three book chapters on marine algae.

Abel Sentíes

Abel Sentíes is Professor-Researcher of Marine Botany at Universidad Autónoma Metropolitana. He was awarded a PhD in Algal Systematics by the Universidad Nacional Autónoma de México for work on taxonomy in Laurencia, and studied floristics and taxonomy in seaweeds for over 25 years. His more recent research has concentrated on phylogeny, biogeography and conservation of seaweeds. He is author of the student textbook The Biology of Algae, and is currently associate editor of Revista Mexicana de Biodiversidad and Hidrobiológica.

Jhoana Díaz-Larrea

Jhoana Díaz-Larrea is Titular Professor of Marine Biology at the Universidad Autónoma Metropolitana-Campus Iztapalapa located in Mexico city. She was awarded a PhD in Algae Systematics from this university for her work on the molecular systematics of the Laurencia complex in the Mexican Caribbean. For 15 years she has studied the diversity of seaweeds across Cuba and Mexico, including the phylogeny and population genetics of several groups of red, green and brown algae. She is coauthor of 38 peer reviewed articles and two book chapters. She is part of the Editorial Board of a Mexican scientific journal (Hidrobiológica), as well as referee of some Latin-American journals (including Hidrobiológica – Mexico, Serie Oceanológica-Cuba, Revista Mexicana de Biodiversidad-Mexico and Revista de Investigaciones Marinas – Cuba).

Deisy Y. García-López

Deisy Y. García-López is Professor at the National School of Biological Sciences, Mexico. She is member of the Mesoamerican Society for Biology and Conservation (SMBC). She has published three articles, including one on the study on Lithophyllum (Corallinales, Rhodophyta) in the Gulf of Mexico and the Mexican Caribbean, recently published in Acta Botanica Venezuelica. She has participated in several research projects related to the taxonomy of micro- and macroalgae, as well as in national and international congresses; she has a special interest in conducting population and molecular studies on Lithophyllum.

Beatriz Martinez-Daranas

Beatriz Martinez-Daranas is Auxiliary Professor of Marine Biology at the Centro de Investigaciones Marinas (Havana University). She was awarded a PhD in Seagrass Ecology by this University for her work on the distribution and state of seagrasses along the Sabana-Camagüey archipelago, Cuba. For 22 years she has studied the distribution and diversity of seaweeds and seagrasses across Cuba, in different ecosystems (coral reef, seagrass meadows, and mangrove roots) and the relation with coastal development and changing environment. More recent research has concentrated on developing methods for assessing the environmental state of ecosystems and impacts of climatic change. She is coauthor of the book Macroalgas marinas de Cuba (Editorial UH, La Habana, 2015) and she is part of the Editorial Board of two Cuban scientific periodicals (Revista de Investigaciones Marinas and Revista del Jardín Botánico Nacional), as well as referee of some Latin-American journals (including Hidrobiologica-Mexico and International Journal of Tropical Biology-Costa Rica).

Acknowledgments

We thank the Instituto Politécnico Nacional (SIP-20144357, 20150767, 20150850) and Universidad Autónoma Metropolitana-Iztapalapa for financial support of this study. LEMC and ACMG thank the Comisión de Operación y Fomento de Actividades Académicas del I.P.N. for a fellowship and the program Estimulo al Desempeño de la Investigación (EDI-IPN) for additional support. Thanks to Julio A. Acosta Calderón for his support in the fieldwork. AS and JDL thank Promep-SEP (UAMI/CA/117). Sincere thanks are due to the referees who reviewed and improved the manuscript.

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Received: 2015-8-21

Accepted: 2016-3-22

Published Online: 2016-5-9

Published in Print: 2016-6-1

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Articles in the same Issue

https://doi.org/10.1515/bot-2015-0069

Keywords for this article

Caribbean; molecular; morphological; Ochtodes; phylogeny; rbcL