Oedogoniales Sphaeropleales Chlamydomonadales I
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Flagellar, Cellular and Organismal Polarity in Volvox Carteri
SUNY Geneseo KnightScholar Biology Faculty/Staff Works Department of Biology 1993 Flagellar, cellular and organismal polarity in Volvox carteri Harold J. Hoops SUNY Geneseo Follow this and additional works at: https://knightscholar.geneseo.edu/biology Recommended Citation Hoops H.J. (1993) Flagellar, cellular and organismal polarity in Volvox carteri. Journal of Cell Science 104: 105-117. doi: This Article is brought to you for free and open access by the Department of Biology at KnightScholar. It has been accepted for inclusion in Biology Faculty/Staff Works by an authorized administrator of KnightScholar. For more information, please contact [email protected]. Journal of Cell Science 104, 105-117 (1993) 105 Printed in Great Britain © The Company of Biologists Limited 1993 Flagellar, cellular and organismal polarity in Volvox carteri Harold J. Hoops Department of Biology, 1 Circle Drive, SUNY-Genesco, Genesco, NY 14454, USA SUMMARY It has previously been shown that the flagellar appara- reorientation of flagellar apparatus components. This tus of the mature Volvox carteri somatic cell lacks the reorientation also results in the movement of the eye- 180˚ rotational symmetry typical of most unicellular spot from a position nearer one of the flagellar bases to green algae. This asymmetry has been postulated to be a position approximately equidistant between them. By the result of rotation of each half of the flagellar appa- analogy to Chlamydomonas, the anti side of the V. car - ratus. Here it is shown that V. carteri axonemes contain teri somatic cell faces the spheroid anterior, the syn side polarity markers that are similar to those found in faces the spheroid posterior. -
The Hawaiian Freshwater Algae Biodiversity Survey
Sherwood et al. BMC Ecology 2014, 14:28 http://www.biomedcentral.com/1472-6785/14/28 RESEARCH ARTICLE Open Access The Hawaiian freshwater algae biodiversity survey (2009–2014): systematic and biogeographic trends with an emphasis on the macroalgae Alison R Sherwood1*, Amy L Carlile1,2, Jessica M Neumann1, J Patrick Kociolek3, Jeffrey R Johansen4, Rex L Lowe5, Kimberly Y Conklin1 and Gernot G Presting6 Abstract Background: A remarkable range of environmental conditions is present in the Hawaiian Islands due to their gradients of elevation, rainfall and island age. Despite being well known as a location for the study of evolutionary processes and island biogeography, little is known about the composition of the non-marine algal flora of the archipelago, its degree of endemism, or affinities with other floras. We conducted a biodiversity survey of the non-marine macroalgae of the six largest main Hawaiian Islands using molecular and microscopic assessment techniques. We aimed to evaluate whether endemism or cosmopolitanism better explain freshwater algal distribution patterns, and provide a baseline data set for monitoring future biodiversity changes in the Hawaiian Islands. Results: 1,786 aquatic and terrestrial habitats and 1,407 distinct collections of non-marine macroalgae were collected from the islands of Kauai, Oahu, Molokai, Maui, Lanai and Hawaii from the years 2009–2014. Targeted habitats included streams, wet walls, high elevation bogs, taro fields, ditches and flumes, lakes/reservoirs, cave walls and terrestrial areas. Sites that lacked freshwater macroalgae were typically terrestrial or wet wall habitats that were sampled for diatoms and other microalgae. Approximately 50% of the identifications were of green algae, with lesser proportions of diatoms, red algae, cyanobacteria, xanthophytes and euglenoids. -
Chilling Out: the Evolution and Diversification of Psychrophilic Algae with a Focus on Chlamydomonadales
Polar Biol DOI 10.1007/s00300-016-2045-4 REVIEW Chilling out: the evolution and diversification of psychrophilic algae with a focus on Chlamydomonadales 1 1 1 Marina Cvetkovska • Norman P. A. Hu¨ner • David Roy Smith Received: 20 February 2016 / Revised: 20 July 2016 / Accepted: 10 October 2016 Ó Springer-Verlag Berlin Heidelberg 2016 Abstract The Earth is a cold place. Most of it exists at or Introduction below the freezing point of water. Although seemingly inhospitable, such extreme environments can harbour a Almost 80 % of the Earth’s biosphere is permanently variety of organisms, including psychrophiles, which can below 5 °C, including most of the oceans, the polar, and withstand intense cold and by definition cannot survive at alpine regions (Feller and Gerday 2003). These seemingly more moderate temperatures. Eukaryotic algae often inhospitable places are some of the least studied but most dominate and form the base of the food web in cold important ecosystems on the planet. They contain a huge environments. Consequently, they are ideal systems for diversity of prokaryotic and eukaryotic organisms, many of investigating the evolution, physiology, and biochemistry which are permanently adapted to the cold (psychrophiles) of photosynthesis under frigid conditions, which has (Margesin et al. 2007). The environmental conditions in implications for the origins of life, exobiology, and climate such habitats severely limit the spread of terrestrial plants, change. Here, we explore the evolution and diversification and therefore, primary production in perpetually cold of photosynthetic eukaryotes in permanently cold climates. environments is largely dependent on microbes. Eukaryotic We highlight the known diversity of psychrophilic algae algae and cyanobacteria are the dominant photosynthetic and the unique qualities that allow them to thrive in severe primary producers in cold habitats, thriving in a surprising ecosystems where life exists at the edge. -
Transcription of the Hydrogenase Gene During H2 Production in Scenedesmus Obliquus and Chlorella Vulgaris
Transcription of the Hydrogenase Gene during H2 Production in Scenedesmus Obliquus and Chlorella Vulgaris Yahaira de Jesus Tamayo Ordóñez Universidad Autónoma de Coahuila: Universidad Autonoma de Coahuila Benjamin Abraham Ayil Gutiérrez Instituto Politécnico Nacional: Instituto Politecnico Nacional Alejandro Ruiz Marin Universidad Autónoma del Carmen: Universidad Autonoma del Carmen Francisco Alberto Tamayo Ordóñez Universidad Autónoma del Carmen: Universidad Autonoma del Carmen Ileana Maria Mayela Moreno Davila Universidad Autónoma de Coahuila: Universidad Autonoma de Coahuila Leopoldo Ríos González Universidad Autónoma de Coahuila: Universidad Autonoma de Coahuila Jose Antonio Rodriguez de la Garza Universidad Autónoma de Coahuila: Universidad Autonoma de Coahuila Juan Carlos Robles Heredia Universidad Autónoma del Carmen: Universidad Autonoma del Carmen Maria Concepcion Tamayo Ordoñez ( [email protected] ) Universidad Autonoma de Coahuila https://orcid.org/0000-0003-0201-0184 Original article Keywords: microalgae, hydrogenase gene, molecular hydrogen, mutation Posted Date: March 24th, 2021 DOI: https://doi.org/10.21203/rs.3.rs-342043/v1 License: This work is licensed under a Creative Commons Attribution 4.0 International License. Read Full License Page 1/30 Abstract There is ongoing research related to the production of molecular hydrogen today and algae have proven to be good biological models for producing several compounds of interest. We analyzed how genetic variations in hydrogenase genes (hyd) can affect the production of -
Altitudinal Zonation of Green Algae Biodiversity in the French Alps
Altitudinal Zonation of Green Algae Biodiversity in the French Alps Adeline Stewart, Delphine Rioux, Fréderic Boyer, Ludovic Gielly, François Pompanon, Amélie Saillard, Wilfried Thuiller, Jean-Gabriel Valay, Eric Marechal, Eric Coissac To cite this version: Adeline Stewart, Delphine Rioux, Fréderic Boyer, Ludovic Gielly, François Pompanon, et al.. Altitu- dinal Zonation of Green Algae Biodiversity in the French Alps. Frontiers in Plant Science, Frontiers, 2021, 12, pp.679428. 10.3389/fpls.2021.679428. hal-03258608 HAL Id: hal-03258608 https://hal.archives-ouvertes.fr/hal-03258608 Submitted on 11 Jun 2021 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. fpls-12-679428 June 4, 2021 Time: 14:28 # 1 ORIGINAL RESEARCH published: 07 June 2021 doi: 10.3389/fpls.2021.679428 Altitudinal Zonation of Green Algae Biodiversity in the French Alps Adeline Stewart1,2,3, Delphine Rioux3, Fréderic Boyer3, Ludovic Gielly3, François Pompanon3, Amélie Saillard3, Wilfried Thuiller3, Jean-Gabriel Valay2, Eric Maréchal1* and Eric Coissac3* on behalf of The ORCHAMP Consortium 1 Laboratoire de Physiologie Cellulaire et Végétale, CEA, CNRS, INRAE, IRIG, Université Grenoble Alpes, Grenoble, France, 2 Jardin du Lautaret, CNRS, Université Grenoble Alpes, Grenoble, France, 3 Université Grenoble Alpes, Université Savoie Mont Blanc, CNRS, LECA, Grenoble, France Mountain environments are marked by an altitudinal zonation of habitat types. -
JUDD W.S. Et. Al. (2002) Plant Systematics: a Phylogenetic Approach. Chapter 7. an Overview of Green
UNCORRECTED PAGE PROOFS An Overview of Green Plant Phylogeny he word plant is commonly used to refer to any auto- trophic eukaryotic organism capable of converting light energy into chemical energy via the process of photosynthe- sis. More specifically, these organisms produce carbohydrates from carbon dioxide and water in the presence of chlorophyll inside of organelles called chloroplasts. Sometimes the term plant is extended to include autotrophic prokaryotic forms, especially the (eu)bacterial lineage known as the cyanobacteria (or blue- green algae). Many traditional botany textbooks even include the fungi, which differ dramatically in being heterotrophic eukaryotic organisms that enzymatically break down living or dead organic material and then absorb the simpler products. Fungi appear to be more closely related to animals, another lineage of heterotrophs characterized by eating other organisms and digesting them inter- nally. In this chapter we first briefly discuss the origin and evolution of several separately evolved plant lineages, both to acquaint you with these important branches of the tree of life and to help put the green plant lineage in broad phylogenetic perspective. We then focus attention on the evolution of green plants, emphasizing sev- eral critical transitions. Specifically, we concentrate on the origins of land plants (embryophytes), of vascular plants (tracheophytes), of 1 UNCORRECTED PAGE PROOFS 2 CHAPTER SEVEN seed plants (spermatophytes), and of flowering plants dons.” In some cases it is possible to abandon such (angiosperms). names entirely, but in others it is tempting to retain Although knowledge of fossil plants is critical to a them, either as common names for certain forms of orga- deep understanding of each of these shifts and some key nization (e.g., the “bryophytic” life cycle), or to refer to a fossils are mentioned, much of our discussion focuses on clade (e.g., applying “gymnosperms” to a hypothesized extant groups. -
A Taxonomic Reassessment of Chlamydomonas Meslinii (Volvocales, Chlorophyceae) with a Description of Paludistella Gen.Nov
Phytotaxa 432 (1): 065–080 ISSN 1179-3155 (print edition) https://www.mapress.com/j/pt/ PHYTOTAXA Copyright © 2020 Magnolia Press Article ISSN 1179-3163 (online edition) https://doi.org/10.11646/phytotaxa.432.1.6 A taxonomic reassessment of Chlamydomonas meslinii (Volvocales, Chlorophyceae) with a description of Paludistella gen.nov. HANI SUSANTI1,6, MASAKI YOSHIDA2, TAKESHI NAKAYAMA2, TAKASHI NAKADA3,4 & MAKOTO M. WATANABE5 1Life Science Innovation, School of Integrative and Global Major, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan. 2Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8577, Japan. 3Institute for Advanced Biosciences, Keio University, Tsuruoka, Yamagata, 997-0052, Japan. 4Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Kanagawa, 252-8520, Japan. 5Algae Biomass Energy System Development and Research Center, University of Tsukuba. 6Research Center for Biotechnology, Indonesian Institute of Sciences, Jl. Raya Bogor KM 46 Cibinong West Java, Indonesia. Corresponding author: [email protected] Abstract Chlamydomonas (Volvocales, Chlorophyceae) is a large polyphyletic genus that includes numerous species that should be classified into independent genera. The present study aimed to examine the authentic strain of Chlamydomonas meslinii and related strains based on morphological and molecular data. All the strains possessed an asteroid chloroplast with a central pyrenoid and hemispherical papilla; however, they were different based on cell and stigmata shapes. Molecular phylogenetic analyses based on 18S rDNA, atpB, and psaB indicated that the strains represented a distinct subclade in the clade Chloromonadinia. The secondary structure of ITS-2 supported the separation of the strains into four species. -
The Genome of Prasinoderma Coloniale Unveils the Existence of a Third Phylum Within Green Plants
Downloaded from orbit.dtu.dk on: Oct 10, 2021 The genome of Prasinoderma coloniale unveils the existence of a third phylum within green plants Li, Linzhou; Wang, Sibo; Wang, Hongli; Sahu, Sunil Kumar; Marin, Birger; Li, Haoyuan; Xu, Yan; Liang, Hongping; Li, Zhen; Cheng, Shifeng Total number of authors: 24 Published in: Nature Ecology & Evolution Link to article, DOI: 10.1038/s41559-020-1221-7 Publication date: 2020 Document Version Publisher's PDF, also known as Version of record Link back to DTU Orbit Citation (APA): Li, L., Wang, S., Wang, H., Sahu, S. K., Marin, B., Li, H., Xu, Y., Liang, H., Li, Z., Cheng, S., Reder, T., Çebi, Z., Wittek, S., Petersen, M., Melkonian, B., Du, H., Yang, H., Wang, J., Wong, G. K. S., ... Liu, H. (2020). The genome of Prasinoderma coloniale unveils the existence of a third phylum within green plants. Nature Ecology & Evolution, 4, 1220-1231. https://doi.org/10.1038/s41559-020-1221-7 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Users may download and print one copy of any publication from the public portal for the purpose of private study or research. You may not further distribute the material or use it for any profit-making activity or commercial gain You may freely distribute the URL identifying the publication in the public portal If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. -
The Symbiotic Green Algae, Oophila (Chlamydomonadales
University of Connecticut OpenCommons@UConn Master's Theses University of Connecticut Graduate School 12-16-2016 The yS mbiotic Green Algae, Oophila (Chlamydomonadales, Chlorophyceae): A Heterotrophic Growth Study and Taxonomic History Nikolaus Schultz University of Connecticut - Storrs, [email protected] Recommended Citation Schultz, Nikolaus, "The yS mbiotic Green Algae, Oophila (Chlamydomonadales, Chlorophyceae): A Heterotrophic Growth Study and Taxonomic History" (2016). Master's Theses. 1035. https://opencommons.uconn.edu/gs_theses/1035 This work is brought to you for free and open access by the University of Connecticut Graduate School at OpenCommons@UConn. It has been accepted for inclusion in Master's Theses by an authorized administrator of OpenCommons@UConn. For more information, please contact [email protected]. The Symbiotic Green Algae, Oophila (Chlamydomonadales, Chlorophyceae): A Heterotrophic Growth Study and Taxonomic History Nikolaus Eduard Schultz B.A., Trinity College, 2014 A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science at the University of Connecticut 2016 Copyright by Nikolaus Eduard Schultz 2016 ii ACKNOWLEDGEMENTS This thesis was made possible through the guidance, teachings and support of numerous individuals in my life. First and foremost, Louise Lewis deserves recognition for her tremendous efforts in making this work possible. She has performed pioneering work on this algal system and is one of the preeminent phycologists of our time. She has spent hundreds of hours of her time mentoring and teaching me invaluable skills. For this and so much more, I am very appreciative and humbled to have worked with her. Thank you Louise! To my committee members, Kurt Schwenk and David Wagner, thank you for your mentorship and guidance. -
Phylogenetic Analysis of ''Volvocacae'
Phylogenetic analysis of ‘‘Volvocacae’’ for comparative genetic studies Annette W. Coleman† Division of Biology and Medicine, Brown University, Providence, RI 02912 Edited by Elisabeth Gantt, University of Maryland, College Park, MD, and approved September 28, 1999 (received for review June 30, 1999) Sequence analysis based on multiple isolates representing essen- most of those obtained previously with data for other DNA tially all genera and species of the classic family Volvocaeae has regions in identifying major clades and their relationships. clarified their phylogenetic relationships. Cloned internal tran- However, the expanded taxonomic coverage revealed additional scribed spacer sequences (ITS-1 and ITS-2, flanking the 5.8S gene of and unexpected relationships. the nuclear ribosomal gene cistrons) were aligned, guided by ITS transcript secondary structural features, and subjected to parsi- Materials and Methods mony and neighbor joining distance analysis. Results confirm the The algal isolates that form the basis of this study are listed below notion of a single common ancestor, and Chlamydomonas rein- and Volvocacean taxonomy is summarized in Table 1. The taxon harditii alone among all sequenced green unicells is most similar. names are those found in the culture collection listings. Included Interbreeding isolates were nearest neighbors on the evolutionary is the Culture Collection designation [University of Texas, tree in all cases. Some taxa, at whatever level, prove to be clades National Institute for Environmental Studies (Japan), A.W.C. or by sequence comparisons, but others provide striking exceptions. R. C. Starr collection], an abbreviated name, and the GenBank The morphological species Pandorina morum, known to be wide- accession number. -
Chilling Out: the Evolution and Diversification of Psychrophilic Algae with a Focus on Chlamydomonadales
Polar Biol (2017) 40:1169–1184 DOI 10.1007/s00300-016-2045-4 REVIEW Chilling out: the evolution and diversification of psychrophilic algae with a focus on Chlamydomonadales 1 1 1 Marina Cvetkovska • Norman P. A. Hu¨ner • David Roy Smith Received: 20 February 2016 / Revised: 20 July 2016 / Accepted: 10 October 2016 / Published online: 21 October 2016 Ó Springer-Verlag Berlin Heidelberg 2016 Abstract The Earth is a cold place. Most of it exists at or Introduction below the freezing point of water. Although seemingly inhospitable, such extreme environments can harbour a Almost 80 % of the Earth’s biosphere is permanently variety of organisms, including psychrophiles, which can below 5 °C, including most of the oceans, the polar, and withstand intense cold and by definition cannot survive at alpine regions (Feller and Gerday 2003). These seemingly more moderate temperatures. Eukaryotic algae often inhospitable places are some of the least studied but most dominate and form the base of the food web in cold important ecosystems on the planet. They contain a huge environments. Consequently, they are ideal systems for diversity of prokaryotic and eukaryotic organisms, many of investigating the evolution, physiology, and biochemistry which are permanently adapted to the cold (psychrophiles) of photosynthesis under frigid conditions, which has (Margesin et al. 2007). The environmental conditions in implications for the origins of life, exobiology, and climate such habitats severely limit the spread of terrestrial plants, change. Here, we explore the evolution and diversification and therefore, primary production in perpetually cold of photosynthetic eukaryotes in permanently cold climates. environments is largely dependent on microbes. -
Accumulation of Lipid in Dunaliella Salina Under Nutrient Starvation Condition
American Journal of Food and Nutrition, 2017, Vol. 5, No. 2, 58-61 Available online at http://pubs.sciepub.com/ajfn/5/2/2 ©Science and Education Publishing DOI:10.12691/ajfn-5-2-2 Accumulation of lipid in Dunaliella salina under Nutrient Starvation Condition Truc Mai1,2,*, Phuc Nguyen3, Trung Vo3,*, Hieu Huynh3, Son Tran3, Tran Nim3, Dat Tran3, Hung Nguyen3, Phung Bui3 1Department of Molecular Biology, New Mexico State University, New Mexico, USA 2Department of Plant and Environmental Sciences, New Mexico State University, New Mexico, USA 3Department of Biochemistry and Toxicology, Nguyen Tat Thanh University, Viet Nam *Corresponding author: [email protected] Abstract The effect of nutrient starvation on lipid accumulation of Dunaliella salina A9 was studied. In nutrient starvation, cell colour changed from green to yellow (or orange) and cell growth reached stationary phase after 9 days of the culture. The study showed that under nutrient stress, decreased in cell growth is accompanied by carotenoid biosynthesis and lipid content of Dunaliella salina. The results of this study can be used to increase carotenoid and lipid production in microalgae for functional food and biofuel in the future. Keywords: Dunaliell salina A9, Dunaliella bardawil and Sulfo-phospho-vanillin reagent Cite This Article: Truc Mai, Phuc Nguyen, Trung Vo, Hieu Huynh, Son Tran, Tran Nim, Dat Tran, Hung Nguyen, and Phung Bui, “Accumulation of lipid in Dunaliella salina under Nutrient Starvation Condition.” American Journal of Food and Nutrition, vol. 5, no. 2 (2017): 58-61. doi: 10.12691/ajfn-5-2-2. of β-carotene is suppressed when lipid metabolism pathway is inhibited [30].