RHIPILIA COPPEJANSII, A NEW CORAL REEF-ASSOCIATED SPECIES FROM GUAM (BRYOPSIDALES, CHLOROPHYTA)(1).

abstract：:Partitioning of the carbon (C) fixed during photosynthesis between neutral lipids (NL) and carbohydrates was investigated in Isochrysis sp. (Haptophyceae) in relation to its nitrogen (N) status. Using batch and nitrate-limited continuous cultures, we studied the response of these energy reserve pools to both condition...

journal_title：Journal of phycology

authors： Lacour T,Sciandra A,Talec A,Mayzaud P,Bernard O

更新日期：2012-06-01 00:00:00

abstract：:Members of the morphologically unusual cyanobacterial family Gomontiellaceae were studied using a polyphasic approach. Cultured strains of Hormoscilla pringsheimii, Starria zimbabweënsis, Crinalium magnum, and Crinalium epipsammum were thoroughly examined, and the type specimen of the family, Gomontiella subtubulosa, ...

journal_title：Journal of phycology

authors： Bohunická M,Mareš J,Hrouzek P,Urajová P,Lukeš M,Šmarda J,Komárek J,Gaysina LA,Strunecký O

更新日期：2015-12-01 00:00:00

abstract：:Heterotrophic and anaerobic microalgae are of significance in both basic research and industrial application. A microalga strain was isolated from a wastewater treatment pond and identified as Chlorella sorokiniana Shihira et W. R. Krauss GXNN01 in terms of morphology, physiology, and phylogeny. The strain grows rapid...

journal_title：Journal of phycology

authors： Qiao H,Wang G,Zhang X

更新日期：2009-10-01 00:00:00

abstract：:Filaments in the surface layers of metaphytic mats are exposed to high photon flux densities of PAR and UVBR. We investigated the effect of UVBR exposure on growth of eight isolates of common metaphytic algae (Cladophora, Mougeotia, Oedogonium, Pithophora, Spirogyra, and Zygnema) acclimated to either high or low PAR l...

journal_title：Journal of phycology

authors： O'Neal SW,Hoover AM

更新日期：2018-12-01 00:00:00

abstract：:The presence of the benthic dinophysoid dinoflagellate Sinophysis canaliculata has been reported in the Canary Islands (eastern central Atlantic) in live field observations and on fixed macroalgal samples from intertidal ponds (26 sampling sites from El Hierro, Tenerife, Gran Canaria, Fuerteventura and Lanzarote islan...

journal_title：Journal of phycology

authors： García-Portela M,Riobó P,Rodríguez F

更新日期：2017-04-01 00:00:00

abstract：:We studied group I introns in sterile cultures of selected groups of lichen photobionts, focusing on Trebouxia species associated with Xanthoria s. lat. (including Xanthomendoza spp.; lichen-forming ascomycetes). Group I introns were found inserted after position 798 (Escherichia coli numbering) in the large subunit (...

journal_title：Journal of phycology

authors： Nyati S,Bhattacharya D,Werth S,Honegger R

更新日期：2013-12-01 00:00:00

abstract：:Three species of tropical oceanic phytoplankton were isolated from two locations in the eastern Pacific Ocean. Unialgal cultures were maintained in an enriched seawater medium. The effects of temperature, and, in separate experiments, illuminance, on the exponential cell division rates of those algae were investigated...

journal_title：Journal of phycology

authors： Thomas WH

更新日期：1966-03-01 00:00:00

abstract：:Ulva Linnaeus (Ulvophyceae, Ulvales) is a genus of green algae widespread in different aquatic environments. Members of this genus show a very simple morphology and a certain degree of phenotypic plasticity, heavily influenced by environmental conditions, making difficult the delineation of species by morphological fe...

journal_title：Journal of phycology

authors： Wolf MA,Sciuto K,Andreoli C,Moro I

更新日期：2012-12-01 00:00:00

abstract：:Macromolecular variability in microalgal populations subject to different nutrient environments was investigated, using the chlorophyte alga Scenedesmus quadricauda (Turpin) Bréb. as a model organism. The large size of the four-cell coenobia in the strain used in this study (∼35 μm diameter) conveniently allowed high ...

journal_title：Journal of phycology

authors： Heraud P,Stojkovic S,Beardall J,McNaughton D,Wood BR

更新日期：2008-10-01 00:00:00

abstract：:Prochlorococcus is a ubiquitous marine oxyphotobacterium characterized by the presence of DV-chl a and b. In addition, the type strain Prochlorococcus marinus Chisholm et al. CCMP 1375 (or SS120), an isolate from the Sargasso Sea, contains low levels of an unusual phycoerythrin. Until now, it has been unclear if phyco...

journal_title：Journal of phycology

authors： Penno S,Campbell L,Hess WR

更新日期：2000-08-26 00:00:00

abstract：:Flow cytometry provides a tool to physically sort single algal cells in order to obtain clonal cultures. During sorting, cells are submitted to physical stress factors such as high fluidic pressure, exposure to the laser beam, electrostatic charges, deflection through high voltage fields, and collisions with container...

journal_title：Journal of phycology

authors： Marie D,Le Gall F,Edern R,Gourvil P,Vaulot D

更新日期：2017-04-01 00:00:00

abstract：:Nearly one-fourth of the lichen-forming fungi associate with trentepohlialean algae, yet their genetic diversity remains unknown. Recent work focusing on free-living trentepohlialean algae has provided a phylogenetic context within which questions regarding the lichenization of these algae can be asked. Here, we conce...

journal_title：Journal of phycology

authors： Nelsen MP,Plata ER,Andrew CJ,Lücking R,Lumbsch HT

更新日期：2011-04-01 00:00:00

abstract：:Pacific coast species of the red algae Halymenia and Cryptonemia are described Of the 8 previously reported species of Halymenia 3 (H. abyssicola Dawson, H. megaspore Dawson, H refugiensis Dawson) hive been placed in synonymy with other species. Halymenia hollenbergii from southern California is described as new; H co...

journal_title：Journal of phycology

authors： Abbott IA

更新日期：1967-09-01 00:00:00

abstract：:In this study, we highlight the effects of methyl jasmonate (MeJa) on cystocarp development in the red macroscopic alga Grateloupia imbricata. In G. imbricata, jasmonate release is related to the reproductive state, as fertile thalli (i.e., those that have cystocarps) released significant amounts of this volatile comp...

journal_title：Journal of phycology

authors： Pilar GJ,Olegario BR,Rafael RR

更新日期：2016-12-01 00:00:00

abstract：:Reactive oxygen species (ROS) produced by an oxidative burst are an important component of the wound response in algae, vascular plants, and animals. In all taxa, ROS production is usually attributed solely to a defense-related enzyme like NADPH-oxidase (Nox). However, here we show that the initial, wound-induced oxid...

journal_title：Journal of phycology

authors： McDowell RE,Amsler MO,Li Q,Lancaster JR Jr,Amsler CD

更新日期：2015-06-01 00:00:00

abstract：:The photoprotective response in the dinoflagellate Glenodinium foliaceum F. Stein exposed to ultraviolet-A (UVA) radiation (320-400 nm; 1.7 W · m(2) ) and the effect of nitrate and phosphate availability on that response have been studied. Parameters measured over a 14 d growth period in control (PAR) and experimental...

journal_title：Journal of phycology

authors： White DA,Polimene L,Llewellyn CA

更新日期：2011-10-01 00:00:00

abstract：:Characeae (Charophyceae, Charophyta) contains two tribes with six genera: tribe Chareae with four genera and tribe Nitelleae, which includes Tolypella and Nitella. This paper uses molecular and morphological data to elucidate the phylogeny of Tolypella species in North America. In the most comprehensive taxonomic trea...

journal_title：Journal of phycology

authors： Stancheva R,Hall JD,Herburger K,Lewis LA,McCourt RM,Sheath RG,Holzinger A

更新日期：2014-10-01 00:00:00

abstract：:Following exposure to long-wavelength ultraviolet radiation (UVA), some cyanobacteria produce the indole-alkaloid sunscreen scytonemin. The genomic region associated with scytonemin biosynthesis in the cyanobacterium Nostoc punctiforme includes 18 cotranscribed genes. A two-component regulatory system (Npun_F1277/Npun...

journal_title：Journal of phycology

authors： Naurin S,Bennett J,Videau P,Philmus B,Soule T

更新日期：2016-08-01 00:00:00

abstract：:Recently radiated dinoflagellates Apocalathium aciculiferum (collected in Lake Erken, Sweden), Apocalathium malmogiense (Baltic Sea) and Apocalathium aff. malmogiense (Highway Lake, Antarctica) represent a lineage with an unresolved phylogeny. We determined their phylogenetic relationships using phylotranscriptomics b...

journal_title：Journal of phycology

authors： Annenkova NV,Ahrén D,Logares R,Kremp A,Rengefors K

更新日期：2018-08-01 00:00:00

abstract：:The publication of a mini-review by Olivier De Clerck et al. in this issue of the Journal of Phycology presented an opportunity to open a dialogue on challenges faced by contemporary algal taxonomists. The Editorial Office solicited the following two additional contributions in response to De Clerck et al.'s paper; th...

journal_title：Journal of phycology

authors： Druehl L

更新日期：2013-04-01 00:00:00

abstract：:Biotic factors that affect phytoplankton physiology and behavior are not well characterized but probably play a crucial role in regulating their population dynamics in nature. We document evidence that some marine bacteria can decrease the swimming speed of motile phytoplankton through the release of putative protease...

journal_title：Journal of phycology

authors： Mayali X,Franks PJ,Tanaka Y,Azam F

更新日期：2008-08-01 00:00:00

abstract：:A study of new Halimeda material available from the International Indian Ocean Expedition, and of type and other specimens not previously available to me, further indicated that Halimeda opuntia is a composite of species rather than a single species. The characteristics of some of its infraspecific taxa differ suffici...

journal_title：Journal of phycology

authors： Colinvaux LH

更新日期：1968-03-01 00:00:00

abstract：:Brown tides of the marine pelagophyte Aureococcus anophagefferens Hargraves et Sieburth have been investigated extensively for the past two decades. Its growth is fueled by a variety of nitrogen (N) compounds, with dissolved organic nitrogen (DON) being particularly important during blooms. Characterization of a cDNA ...

journal_title：Journal of phycology

authors： Berg GM,Shrager J,Glöckner G,Arrigo KR,Grossman AR

更新日期：2008-10-01 00:00:00

abstract：:Central America is one of the most important biodiversity hot spots in the world, and Costa Rican microbial communities from thermal springs are the best characterized in the isthmus. Miravalles is an inactive quaternary stratovolcano, and the Rincón de la Vieja is a unique active volcano, in whose slopes diverse hydr...

journal_title：Journal of phycology

authors： Brenes-Guillén L,Vidaurre-Barahona D,Morales S,Mora-López M,Sittenfeld A,Uribe-Lorío L

更新日期：2020-09-30 00:00:00

abstract：:Cytological changes induced by nitrate or phosphate limitation were reproducible and readily visible by phase contrast microscopy in Coscinodiscus wailesii, Ditylum brightwellii, Rhizosolenia hebetata f. semi-spina, Skeletonema costatum, and Stephanopyxis turris. These effects included changes in chromatophore number ...

journal_title：Journal of phycology

authors： Holmes RW

更新日期：1966-12-01 00:00:00

abstract：:Brevetoxin (PbTx) is a neurotoxic secondary metabolite of the dinoflagellate Karenia brevis. We used a novel, fluorescent BODIPY-labeled conjugate of brevetoxin congener PbTx-2 (B-PbTx) to track absorption of the metabolite into a variety of marine microbes. The labeled toxin was taken up and brightly fluoresced in li...

journal_title：Journal of phycology

authors： J Kramer B,J Bourdelais A,Kitchen SA,Taylor AR

更新日期：2019-02-01 00:00:00

abstract：:Adenosine 5'-triphosphate (ATP) is a versatile extracellular signal along the tree of life, whereas cAMP plays a major role in vertebrates as an intracellular messenger for hormones, transmitters, tastants, and odorants. Since red algal spore coalescence may be considered analogous to the congregation process of socia...

journal_title：Journal of phycology

authors： Huidobro-Toro JP,Donoso V,Flores V,Santelices B

更新日期：2015-04-01 00:00:00

abstract：:Global climate change is expected to alter the polar bioregions faster than any other marine environment. This study assesses the biodiversity of seaweeds and associated eukaryotic pathogens of an established study site in northern Baffin Island (72° N), providing a baseline inventory for future work assessing impacts...

journal_title：Journal of phycology

authors： Küpper FC,Peters AF,Shewring DM,Sayer MD,Mystikou A,Brown H,Azzopardi E,Dargent O,Strittmatter M,Brennan D,Asensi AO,van West P,Wilce RT

更新日期：2016-08-01 00:00:00

abstract：:Riboswitches are regulatory elements in messenger RNA to which specific ligands can bind directly in the absence of proteins. Ligand binding alters the mRNA secondary structure, thereby affecting expression of the encoded protein. Riboswitches are widespread in prokaryotes, with over 20 different effector ligands know...

journal_title：Journal of phycology

authors： Nguyen GT,Scaife MA,Helliwell KE,Smith AG

更新日期：2016-06-01 00:00:00

abstract：:Cyanobacteria occupy many niches within terrestrial, planktonic, and benthic habitats. The diversity of habitats colonized, similarity of morphology, and phenotypic plasticity all contribute to the difficulty of cyanobacterial identification. An unknown marine filamentous cyanobacterium was isolated from an aquatic an...

journal_title：Journal of phycology

authors： Zimba PV,Huang IS,Foley JE,Linton EW

更新日期：2017-02-01 00:00:00