Symbiochlorum hainanensis gen. et sp. nov. (Ulvophyceae, Chlorophyta) isolated from bleached corals living in the South China Sea.

abstract：:The cell wall of Chlamydomonas reinhardtii zygotes, which forms rapidly after the fusion of wall-free gametes, provides a tractable system for studying the properties and assembly of hydroxyproline-rich glycoproteins, the major proteinaceous components of green algal and plant cell walls. We report the cloning of the ...

journal_title：Journal of phycology

authors： Suzuki L,Woessner JP,Uchida H,Kuroiwa H,Yuasa Y,Waffenschmidt S,Goodenough UW,Kuroiwa T

更新日期：2000-06-01 00:00:00

abstract：:New molecular and morphological insights are presented on Campylosira africana and two new species, Extubocellulus cupola sp. nov. and Plagiogrammopsis castigatus sp. nov. Species descriptions were based on LM/SEM micrographs and a data set with concatenated sequences of SSU, rbcL and psbC loci constructed from 56 cym...

journal_title：Journal of phycology

authors： Dąbek P,Ashworth MP,Górecka E,Krzywda M,Bornman TG,Sato S,Witkowski A

更新日期：2019-04-01 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：:The diatom Cyclotella meneghiniana Kütz. (SAG 1020-a) was cultured under high-light (HL) and low-light (LL) conditions with either high (12 μM) or low (1 μM) iron in the media. Changes in cell morphology, especially cell volume and chloroplast size, were observed in cells grown under low iron. In contrast, HL had a mu...

journal_title：Journal of phycology

authors： Beer A,Juhas M,Büchel C

更新日期：2011-12-01 00:00:00

abstract：:Currently, very few studies address the relationship between diversity and biomass/lipid production in primary producer communities for biofuel production. Basic studies on the growth of microalgal communities, however, provide evidence of a positive relationship between diversity and biomass production. Recent studie...

journal_title：Journal of phycology

authors： Stockenreiter M,Haupt F,Graber AK,Seppälä J,Spilling K,Tamminen T,Stibor H

更新日期：2013-10-01 00:00:00

abstract：:Chroococcidiopsis Geitler (Geitler 1933) is a genus of cyanobacteria containing desiccation and radiation resistant strains. Members of the genus live in habitats ranging from hot and cold deserts to fresh and saltwater environments. Morphology and cell division pattern have historically been used to define the genus....

journal_title：Journal of phycology

authors： Cumbers J,Rothschild LJ

更新日期：2014-06-01 00:00:00

abstract：:A small siliceous species of marine phytoplankton, order Parmales (Heterokonta), was isolated and characterized for the first time with the aid of a fluorescent silicon tracer 2-(4-pyridyl)-5-([4-(2-dimethylaminoethylaminocarbamoyl)-methoxy]phenyl)oxazole (PDMPO). This dye was easily detected by clear fluorescence in ...

journal_title：Journal of phycology

authors： Ichinomiya M,Yoshikawa S,Kamiya M,Ohki K,Takaichi S,Kuwata A

更新日期：2011-02-01 00:00:00

abstract：:A new marine benthic, sand-dwelling Prorocentrum species from the temperate region of the Pacific coast of British Columbia, Canada, is described using LM and EM and molecular phylogenetic analyses. The cells have a broad oval shape, 40.0-55.0 μm long and 30.0-47.5 μm wide, and a wide U-shaped periflagellar area on th...

journal_title：Journal of phycology

authors： Hoppenrath M,Leander BS

更新日期：2008-04-01 00:00:00

abstract：:To evaluate the quantitative and qualitative changes in amino acids related to internal nitrogen content and growth rate of Ulva ohnoi, the supply of nitrogen to outdoor cultures of the seaweed was manipulated by simultaneously varying water nitrogen concentrations and renewal rate. Both internal nitrogen content and ...

journal_title：Journal of phycology

authors： Angell AR,Mata L,de Nys R,Paul NA

更新日期：2014-02-01 00:00:00

abstract：:New strains of a wall-less unicellular volvocalean flagellate were isolated from a freshwater environment in Japan. Observations of the alga, described here as Hapalochloris nozakii Nakada, gen. et sp. nov., were made using light, fluorescence, and electron microscopy. Each vegetative cell had two flagella, four contr...

journal_title：Journal of phycology

authors： Nakada T,Tomita M

更新日期：2017-02-01 00:00:00

abstract：:Species currently classified within the cyanobacterial genus Microcoleus were determined to fall into two distinct clades in a 16S rDNA phylogeny, one containing taxa within the Oscillatoriaceae, the other containing taxa within the Phormidiaceae. The two lineages were confirmed in an analysis of the 16S-23S internal ...

journal_title：Journal of phycology

authors： Siegesmund MA,Johansen JR,Karsten U,Friedl T

更新日期：2008-12-01 00:00:00

abstract：:As part of a long-term study on the biology and ecology of the intertidal kelp Lessonia nigrescens Bory, we report on the occurrence of gall development on this alga, identified the possible causal agent, and assessed the extent of the phenomenon in two wild stands of the host. Our results showed that galls affecting ...

journal_title：Journal of phycology

authors： Thomas D,Beltrán J,Flores V,Contreras L,Bollmann E,Correa JA

更新日期：2009-12-01 00:00:00

abstract：:In Chlamydomonas reinhardtii P. A. Dangeard, mitochondrial morphology has been observed during asexual cell division cycle, gamete and zygote formation, zygote maturation, and meiotic stages. However, the chronological transition of mitochondrial morphology after the stationary phase of vegetative growth, defined as t...

journal_title：Journal of phycology

authors： Aoyama H,Kuroiwa T,Nakamura S

更新日期：2013-04-01 00:00:00

abstract：:Studies of quantitative trait loci based on genetic linkage maps require the establishment of a mapping population. Permanent mapping populations are more ideal than temporary ones because they can be used repeatedly. However, there has been no reported permanent sporophyte population of economically important kelp sp...

journal_title：Journal of phycology

authors： Shan T,Pang S,Wang X,Li J,Li Q,Su L,Li X

更新日期：2020-09-04 00:00:00

abstract：:The inability to thoroughly examine diatom type material existing only in resin-mounted permanent slides is a common frustration for diatomologists. Here, we present an efficient, inexpensive, and straightforward technique to extract siliceous exoskeletons of diatoms from permanent slides prepared with commonly used m...

journal_title：Journal of phycology

authors： Majewska R,Taylor JC,Goosen WE

更新日期：2020-12-19 00:00:00

abstract：:Polytomella is a genus of colorless green algae in the Reinhardtinia clade of the Chlamydomonadales, which has proven useful for a broad range of studies particularly those exploring the evolutionary loss of photosynthesis and mitochondrial genomics/biochemistry. Although 13 Polytomella strain accessions are currently...

journal_title：Journal of phycology

authors： MacDonald SM,Lee RW

更新日期：2016-08-01 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：: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：: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：:Large-scale seaweed cultivation has been instrumental in globalizing the seaweed industry since the 1950s. The domestication of seaweed cultivars (begun in the 1940s) ended the reliance on natural cycles of raw material availability for some species, with efforts driven by consumer demands that far exceeded the availa...

journal_title：Journal of phycology

authors： Hafting JT,Craigie JS,Stengel DB,Loureiro RR,Buschmann AH,Yarish C,Edwards MD,Critchley AT

更新日期：2015-10-01 00:00:00

abstract：:Alaria grandifolia is recorded from Nova Scotia for the first time and is briefly compared with A. esculenta from this area. ...

journal_title：Journal of phycology

authors： Edelstein T,Craigie JS,McLachlan J

更新日期：1967-03-01 00:00:00

abstract：:New miniaturized techniques for multiplying microalgae and estimating their phytohormone production were developed; in these methods, the strains to be tested are cultivated in microtitre plates, and the phytohormones in suspensions of the cultures are measured by direct ELISAs. Specific and sensitive ELISAs for deter...

journal_title：Journal of phycology

authors： Jirásková D,Poulíčková A,Novák O,Sedláková K,Hradecká V,Strnad M

更新日期：2009-02-01 00:00:00

abstract：:Macroalgal bloom-forming species occur in coastal systems worldwide. However, due to overlapping morphologies in some taxa, accurate taxonomic assessment and classification of these species can be quite challenging. We investigated the molecular and morphological characteristics of 153 specimens of bloom-forming Ulva ...

journal_title：Journal of phycology

authors： Guidone M,Thornber C,Wysor B,O'Kelly CJ

更新日期：2013-10-01 00:00:00

abstract：:Toxicities of cadmium (Cd) and zinc (Zn) to the green alga Selenastrum capricornutum Printz were determined over 72 h in defined synthetic media buffered by citrate (FRAQCIT ; [citrate] = 100 μM or 5 μM) or nitrilotriacetate (FRAQNTA ; [NTA] = 5 μM). Algal sensitivity to free Cd2 + or free Zn2 + in FRAQCIT was much hi...

journal_title：Journal of phycology

authors： Errécalde O,Campbell PGC

更新日期：2000-06-01 00:00:00

abstract：:Some abiotic conditions are well known to play disproportionately large roles in shaping contemporary assemblages, yet their roles may not continue to have similar magnitudes of effect into the future. We tested whether forecasted levels of CO2 could alter the strength of influence of an abiotic factor (i.e., light in...

journal_title：Journal of phycology

authors： Russell BD,Passarelli CA,Connell SD

更新日期：2011-08-01 00:00:00

abstract：:Statistical growth rate modelling can be applied in a variety of ecological and biotechnological applications. Such models are frequently based on Monod or Droop equations and, especially for the latter, require reliable determination of model input parameters such as C:N quotas. Besides growth rate modelling, a C:N q...

journal_title：Journal of phycology

authors： Wagner H,Jebsen C,Wilhelm C

更新日期：2019-06-01 00:00:00

abstract：:The Aleutian Archipelago coastal ecosystem has undergone a dramatic change in community composition during the past two decades. Following the removal of ∼99% of the sea otters, Enhydra lutris, from the ecosystem, changes to the benthic communities resulted in widespread losses to most of the region's kelp beds and co...

journal_title：Journal of phycology

authors： Edwards MS,Konar B

更新日期：2012-08-01 00:00:00

abstract：:Due to their ecological, physiological, and molecular adaptations to low and varying temperatures, as well as varying seasonal irradiances, polar non-marine eukaryotic microalgae could be suitable for low-temperature biotechnology. Adaptations include the synthesis of compounds from different metabolic pathways that p...

journal_title：Journal of phycology

authors： Shukla SP,Kvíderová J,Adamec L,Elster J

更新日期：2020-04-01 00:00:00

abstract：:Dispersal on floating seaweeds depends on availability, viability, and trajectories of the rafts. In the southern hemisphere, the bull kelp Durvillaea antarctica is one of the most common floating seaweeds, but phylogeographic studies had shown low connectivity between populations from continental Chile, which could b...

journal_title：Journal of phycology

authors： López BA,Macaya EC,Tala F,Tellier F,Thiel M

更新日期：2017-02-01 00:00:00

abstract：:To study the effect of different radiation conditions on sporogenesis of Laminaria digitata (Huds.) J. V. Lamour., excised disks were induced to form sporangia under PAR (P), PAR + ultraviolet-A (UVA) (PA), and PAR + UVA + ultraviolet-B (UVB) (PAB) conditions in the laboratory. Vitality of meiospores, released from so...

journal_title：Journal of phycology

authors： Gruber A,Roleda MY,Bartsch I,Hanelt D,Wiencke C

更新日期：2011-06-01 00:00:00