Diatom life cycles and ecology in the Cretaceous.

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：: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：: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：:Asexual reproduction by cloning may affect the genetic structure of populations, their potential to evolve, and, among foundation species, contributions to ecosystem functions. Macroalgae of the genus Fucus are known to produce attached plants only by sexual recruitment. Recently, however, clones of attached plants re...

journal_title：Journal of phycology

authors： Johannesson K,Johansson D,Larsson KH,Huenchuñir CJ,Perus J,Forslund H,Kautsky L,Pereyra RT

更新日期：2011-10-01 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：:The quantitative characterization of the ecology of individual phytoplankton taxa is essential for model resolution of many aspects of aquatic ecosystems. Existing literature cannot directly parameterize all phytoplankton taxa of interest, as many traits and taxa have not been sampled. However, valuable clues on the v...

journal_title：Journal of phycology

authors： Bruggeman J

更新日期：2011-02-01 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：:The fine structure of the marine coccolithophorid Hymenomonas (Cricosphaera) carterae (Braarud & Fagerland) Manton & Peterfi is reported. Details of the formation of the circular organic body scales are presented. Their formation is shown to be closely linked with the presence of tubules found within the Golgi cistern...

journal_title：Journal of phycology

authors： Pienaar RN

更新日期：1969-12-01 00:00:00

abstract：:Chlorella-like coccoid green algae are widely distributed in almost all terrestrial habitats and belong to different lineages of the Chlorophyceae and Trebouxiophyceae. The Watanabea clade of the Trebouxiophyceae shows a high genetic biodiversity. Re-investigation of the authentic strain of the rarely found W. renifor...

journal_title：Journal of phycology

authors： Darienko T,Pröschold T

更新日期：2019-04-01 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：:Population dynamics of Noctiluca scintillans (Macartney) Kof. et Swezy containing the photosynthetic endosymbiont Pedinomonas noctilucae (Subrahman.) Sweeney was investigated in relation to environmental conditions in the upper Gulf of Thailand. A clear association was observed between the abundance of N. scintillans ...

journal_title：Journal of phycology

authors： Sriwoon R,Pholpunthin P,Lirdwitayaprasit T,Kishino M,Furuya K

更新日期：2008-06-01 00:00:00

abstract：:Based upon COI-5P, LSU rDNA, and rbcL sequence data and morphological characteristics, six new members of the noncalcified crustose genus of red algae Ethelia are described in a new family, Etheliaceae (Gigartinales), sister to the recently described Ptilocladiopsidaceae. The novel species are described from subtropic...

journal_title：Journal of phycology

authors： Dixon KR,Saunders GW,Schneider CW,Lane CE

更新日期：2015-12-01 00:00:00

abstract：:Inorganic nitrogen has been identified as the major growth-limiting nutritional factor affecting Gracilaria gracilis populations in South Africa. Although the physiological mechanisms implemented by G. gracilis for adaption to low nitrogen environments have been investigated, little is known about the molecular mechan...

journal_title：Journal of phycology

authors： Naidoo RK,Rafudeen MS,Coyne VE

更新日期：2016-06-01 00:00:00

abstract：:Twenty years ago an Arctic cryptophyte was isolated from Baffin Bay and given strain number CCMP2045. Here, it was described using morphology, water- and non-water soluble pigments and nuclear-encoded SSU rDNA. The influence of temperature, salinity, and light intensity on growth rates was also examined. Microscopy re...

journal_title：Journal of phycology

authors： Daugbjerg N,Norlin A,Lovejoy C

更新日期：2018-10-01 00:00:00

abstract：:A multi-gene (SSU, LSU, psbA, and COI) molecular phylogeny of the family Corallinaceae (excluding the subfamilies Lithophylloideae and Corallinoideae) showed a paraphyletic grouping of six monophyletic clades. Pneophyllum and Spongites were reassessed and recircumscribed using DNA sequence data integrated with morpho-...

journal_title：Journal of phycology

authors： Caragnano A,Foetisch A,Maneveldt GW,Millet L,Liu LC,Lin SM,Rodondi G,Payri CE

更新日期：2018-06-01 00:00:00

abstract：:A giant form of Anadyomene, most similar to Anadyomene pavonina (J. Agardh) Wille, a rare and diminutive alga endemic to Florida, appeared as up to 10 m long net-like strands covering 10%-80% of a 0.5 km region of the 25-50 m deep Belizean outer reef slope where none had been present up to 12 months earlier. This new ...

journal_title：Journal of phycology

authors： Littler MM,Littler DS

更新日期：2012-02-01 00:00:00

abstract：:Temperature and nutrient supply are key factors that control phytoplankton ecophysiology, but their role is commonly investigated in isolation. Their combined effect on resource allocation, photosynthetic strategy, and metabolism remains poorly understood. To characterize the photosynthetic strategy and resource alloc...

journal_title：Journal of phycology

authors： Fernández-González C,Pérez-Lorenzo M,Pratt N,Moore CM,Bibby TS,Marañón E

更新日期：2020-06-01 00:00:00

abstract：:Temporal and spatial variations in Sargassum ilicifolium thallus density and length were investigated on equatorial coral reefs in Singapore from November 2011 to October 2012. Thalli density varied little throughout the year, however, we found strong seasonal patterns in thallus length and identified temperature as t...

journal_title：Journal of phycology

authors： Low JKY,Fong J,Todd PA,Chou LM,Bauman AG

更新日期：2019-04-01 00:00:00

abstract：:Takayama helix is a mixotrophic dinoflagellate that can feed on diverse algal prey. We explored the effects of light intensity and water temperature, two important physical factors, on its autotrophic and mixotrophic growth rates when fed on Alexandrium minutum CCMP1888. Both the autotrophic and mixotrophic growth rat...

journal_title：Journal of phycology

authors： Ok JH,Jeong HJ,Lim AS,You JH,Kang HC,Kim SJ,Lee SY

更新日期：2019-10-01 00:00:00

abstract：:With the fluorescent stain Nile Red (NR), phytoplankton lipid accumulation can be monitored quickly and in situ. In the light of recent results in phytoplankton diversity research, there is also a need for cell- and species-specific lipid measurement techniques. The objective of this work was to investigate whether ce...

journal_title：Journal of phycology

authors： Natunen K,Seppälä J,Koivula RJ,Pellinen J

更新日期：2017-04-01 00:00:00

abstract：:Germination tests were conducted on 39 collections of Chara oospores stored under 4 different conditions for periods of approximately 4 yr. In general, storage of dried oospores at low temperatures (3 C) provided the most satisfactory means for long-term preservation of viable disseminules. Oospore germination zuas hi...

journal_title：Journal of phycology

authors： Proctor VI

更新日期：1967-06-01 00:00:00

abstract：:This study aimed to isolate quercetin (for the first time) from Anabaena aequalis Borge, which inhabits soil surface of Wadi El-Alaqui Protectorate located in Aswan city, Egypt. The isolated compound showed significant antibacterial activity against the gram-positive bacteria Sarcina maxima and Micrococcus kristinae, ...

journal_title：Journal of phycology

authors： Abdel-Raouf N,Ibraheem IB,Abdel-Tawab S,Naser YA

更新日期：2011-08-01 00:00:00

abstract：:Historically, the genus Calothrix included all noncolonial, tapered, heterocytous filaments within the cyanobacteria. However, recent molecular phylogenies show that "Calothrix" defined in this sense represents five distinct clades. The type species of Calothrix is marine, with solitary basal heterocytes, no akinetes,...

journal_title：Journal of phycology

authors： Berrendero Gómez E,Johansen JR,Kaštovský J,Bohunická M,Čapková K

更新日期：2016-08-01 00:00:00

abstract：:We investigated the effects of zinc or lead on growth and on exudation of fluorescent dissolved organic matter (FDOM) by the marine toxic dinoflagellate Alexandrium catenella (Whedon & Kofoid) Balech. The species was exposed to increasing free zinc (1.34 × 10(-7) M-3.98 × 10(-6) M) or lead (5.13 × 10(-9) M-1.82 × 10(-...

journal_title：Journal of phycology

authors： Herzi F,Jean N,Sakka Hlaili A,Mounier S

更新日期：2014-08-01 00:00:00

abstract：:Although hypotheses have been proposed and developed to interpret the origins and functions of introns, substantial controversies remain about the mechanism of intron evolution. The availability of introns in the intermediate state is quite helpful for resolving this debate. In this study, a new strain of diatom (deno...

journal_title：Journal of phycology

authors： Han J,Zhang L,Wang P,Yang G,Wang S,Li Y,Pan K

更新日期：2018-02-01 00:00:00

abstract：:Symbiodinium reside intracellularly in a complex symbiosome (host and symbiont-derived) within cnidarian hosts in a specific host-symbiont association. Symbiodinium is a diverse genus with variation greater than other dinoflagellate orders. In this paper, our investigation into specificity examines antigenic variation...

journal_title：Journal of phycology

authors： Mazzillo Mays M,Kempf SC

更新日期：2014-10-01 00:00:00

abstract：:The dinophysoid dinoflagellates are currently divided into three families: Amphisoleniaceae, Dinophysaceae (mainly Dinophysis Ehrenb. and Phalacroma F. Stein), and Oxyphysaceae, the latter including only one member, Oxyphysis oxytoxoides Kof. Phalacroma has been recently reinstated separately from Dinophysis, and its ...

journal_title：Journal of phycology

authors： Gómez F,López-García P,Moreira D

更新日期：2011-04-01 00:00:00

abstract：:Crocosphaera watsonii, a unicellular nitrogen-fixing cyanobacterium found in oligotrophic oceans, is important in marine carbon and nitrogen cycles. Isolates of C. watsonii can be separated into at least two phenotypes with environmentally important differences, indicating possibly distinct ecological roles and niches...

journal_title：Journal of phycology

authors： Bench SR,Heller P,Frank I,Arciniega M,Shilova IN,Zehr JP

更新日期：2013-08-01 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：: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