Relevant bibliographies by topics / Audouinella

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  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Audouinella'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Audouinella"

1

Nan, Fangru, Jia Feng, Xiaojing Han, Junping Lv, Qi Liu, and Shulian Xie. "­Molecular identification of Audouinella-like species (Rhodophyta) from China based on three short DNA fragments." Phytotaxa 246, no. 2 (2016): 107. http://dx.doi.org/10.11646/phytotaxa.246.2.2.

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Four algal specimens with morphological resemblance to Audouinella were collected in China, both bluish and reddish thalli included. Because of the taxonomic obscurity of the acrochaetioid lineage, a molecular phylogenetic analysis was performed to verify the phylogenetic position of these specimens based on three short DNA fragments including psbA, UPA and COI-5P. Molecular sequences were analyzed by neighbor-joining, maximum likelihood, Bayesian, and NeighborNet methods. Phylogenetic relationships based on three DNA fragments were consistent in that the four Audouinella-like thalli clustered together with Thorea hispida (Thore) Desvaux with strong support. The four specimens morphologically similar to Audouinella were concluded to represent the chantransia stage of Thoreales based on molecular trees. The reddish specimen shared no sequence divergence with the bluish ones. For identification of freshwater Audouinellla, criteria of thallus color must be used with caution and molecular tool-assisted analysis are essential. The formerly established new species Audouinella heterospora S.L.Xie & Y.J.Ling was inferred to be synonymous with the chantransia stage of T. hispida. The three DNA molecular markers demonstrated to be effective to ascertain the phylogenetic position of acrochaetioid algae specimens, and to delineate other freshwater Rhodophyta.
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Conde, F., and J. Soto. "Notas corológicas del macrofitobentos de Andalucía (España)." Acta Botanica Malacitana 11 (December 1, 1986): 9–16. http://dx.doi.org/10.24310/actabotanicaabmabm.v11i.9457.

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Ampliamos el catálogo para las costas andaluzas en 32 especies, de las cuales, 7 son nuevas citas para la Península Ibérica Audouinella endozoica (Darb.) Dixon, Fosliella minutula (Fosl.) Ganesan, Lomentaria compressa (Kütz.) Kylin, Polysuphonia cladorrhiza Ardiss., P. ruchingeri C. Ag., P. stuposa Zanard. y Pseudocrouania ischiana Funk y otras 4 lo son para el Mediterráneo español: Audouinella Thuretii (Born.) Wölkerling, feldmannia simplex (Crouan frat.) Hamel, Phaeophila wittrockii (Wille) Nielsen y Ralfsia bornetti Kuckut.
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Pueschel, Curt M. "Rod-shaped virus-like particles in the endoplasmic reticulum ofAudouinella saviana(Acrochaetiales, Rhodophyta)." Canadian Journal of Botany 73, no. 12 (1995): 1974–80. http://dx.doi.org/10.1139/b95-211.

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Rod-shaped particles, approximately 30 nm in width and 1000 nm or more in length, were found in cells of the red alga Audouinella saviana (Meneghini) Woelkerling. Parallel in orientation and hexagonally packed, these inclusions were located within dilated cisternae of rough endoplasmic reticulum. The rods consisted of an electron-dense central element surrounded by a thick-walled tube that appeared to be composed of repeating granular subunits. Although uninfected controls of the same species were not available, the morphology and substructure of the inclusions, the absence of such inclusions in other species of Audouinella, and the apparent connection of these particles with cellular abnormalities and necrosis suggest that these inclusions may be viral in nature. Among the unusual and possibly cytopathic features of cells containing particles were ropy, fibrillar structures free in the cytoplasm, corrugated mitochondrial cristae, amorphous mitochondrial inclusions, highly convoluted photosynthetic membranes, and loss of integrity of the nuclear envelope. This is the first report of the presence of possible rod-shaped virus-like particles in red algae. Key words: Acrochaetiales, Audouinella saviana, Rhodophyta, ultrastructure, virus-like particles.
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Starmach, Karol. "Chantransia hermannii (Roth) Desvaux and the systematic position of the genera Chantransia, Pseudochantransia and Audouinella." Acta Societatis Botanicorum Poloniae 54, no. 3 (2014): 273–84. http://dx.doi.org/10.5586/asbp.1985.026.

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The occurrence of the species <em>Chantransia hermannii</em> (Roth) Desv. (<em>Rhodophyceae</em>) was found in a few sites in Poland. The description of the reproductive organs of this alga: monosporangia, tetrasporangia, antheridia, carpogones and gonimoblasts is given. The systematic position of the genera, <em>Chantransia, Pseudochantransia</em> and Audouinella is also discussed. The author suggests that the name of Chantransia should be retained as it is older than <em>Audouinella</em>, while the artificial name of <em>Pseudochantransia</em> should be eliminated.
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Shaji, C., and M. V. N. Panikkar. "A new species of Audouinella from Kerala, India." Feddes Repertorium 107, no. 3-4 (2008): 159–62. http://dx.doi.org/10.1002/fedr.19961070304.

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6

Kučera, Pavel, and Ondřej Komárek. "Biomass quantification of epiphytic freshwater rhodophyte Audouinella pygmaea Kutzing." Algological Studies/Archiv für Hydrobiologie, Supplement Volumes 115 (April 1, 2005): 145–57. http://dx.doi.org/10.1127/1864-1318/2005/0115-0145.

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7

Tam, Carol E., Kathleen M. Cole, and David J. Garbary. "In situ and in vitro studies on the endophytic red algae Audouinella porphyrae and A. vaga (Acrochaetiales)." Canadian Journal of Botany 65, no. 3 (1987): 532–38. http://dx.doi.org/10.1139/b87-068.

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Audouinella porphyrae (Drew) Garbary and A. vaga (Drew) Garbary et al., endophytic species of Acrochaetiaceae growing in Porphyra and Pterosiphonia, respectively, were studied in the field and in culture. Host plants were common at Point No Point, Vancouver Island, from February to October, but endophytes were found only from May to October. Initial infections of both endophytes were in either the basal portions (species of Porphyra) or in the large principal axes (Pterosiphonia bipinnata) of the hosts. Although the endophytes had different morphologies when growing in situ, the species were morphologically similar when grown free of their host. Attempts to reinfect the original hosts and to cross infect the alternate hosts were unsuccessful, and the isolates of Audouinella produced epiphytic plants in mixed culture. In all culture situations plants reproduced asexually by means of recycling generations of monosporangial plants. The two species are considered conspecific, and A. vaga is reduced to synonymy under A. porphyrae.
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Bautista, Anna I. N., and Orlando Necchi Jr. "Photoacclimation in three species of freshwater red algae." Brazilian Journal of Plant Physiology 19, no. 1 (2007): 23–34. http://dx.doi.org/10.1590/s1677-04202007000100003.

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Three freshwater Rhodophyta species (Audouinella eugenea, A. hermannii and Compsopogon coeruleus) were tested as to their responses (photosynthesis, growth and pigment concentration) to two irradiances (low light, LL, 65 µmol m-2 s-1 and high light, HL, 300 µmol m-2 s-1) and two periods (short time, ST, 4 d, and long time, LT, 28 d). Higher growth rates were consistently observed at LL but significant differences were observed only for A. hermannii. Higher values of photoinhibition at LL were found for the three species, which is consistent with the dynamic photoinhibition as a reversible photoprotective mechanism against high irradiance. Light-induced decreases of effective quantum yield (EQY) were observed in the three species consisting of pronounced decreases from LL to HL. Rapid increases of non-photochemical quenching (NPQ) were observed mainly at LL, indicating energy dissipation by reaction centers. Results revealed distinct photoacclimation strategies to deal with high irradiances: the two Audouinella species had only characteristics of shade-adapted algae: acclimation by changes of size of photosystem units (PSU) under LT and by PSU number under ST; higher values of the photoinhibition parameter (beta) and NPQ, and lower values of EQY at LL; higher recovery capacity of potential quantum yield (PQY) at LL and under ST; highly significant positive correlation of electron transport rate (ETR) with NPQ. In addition, C. coeruleus mixed some characteristics of sun-adapted algae: acclimation by changes of PSU number under LT and by PSU size under ST; higher recovery capacity of EQY than the other two species; weak or no correlation of ETR with NPQ. Thus, these characteristics indicate that C. coeruleus cope with high irradiances more efficiently than the Audouinella species.
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Eloranta, Pertti. "Freshwater red algae in Finland." Plant and Fungal Systematics 64, no. 1 (2019): 41–51. http://dx.doi.org/10.2478/pfs-2019-0006.

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AbstractThere were only less than sixty records of freshwater red algae in Finland until the 1980s, when the author began sampling the running waters of southern and central Finland; 516 new records were made in 1984–2011. More intensive research began in 2012, with a few field teams working at first in Central Finland Province and then covering the whole country. The project continued until 2018. During these studies approximately 3400 new locations were investigated and 3641 new records of 29 taxa were made. Since 2013, 12 ecological variables have also been measured or estimated. The share of positive records from the studied locations varied from 49% to 86% (avg. 72%), being highest in Lapland (85.5%). The most frequent taxa were Batrachospermum gelatinosum (36.5%), Audouinella hermannii (14.5%), Sheathia arcuata (9.3%), Sirodotia suecica (8.4%), Audouinella chalybea (4.7%), Lemanea fluviatilis (3.8%) and Lemanea fucina (2.8%). Batrachospermum elegans, Kumanoa virgatodecaisneana and Lemanea mamillosa occurred in southwestern Finland in waters with higher conductivity, whereas Batrachospermum turfosum and Virescentia vogesiaca were typical taxa of acidic and soft water. Batrachospermum sporulans and Lemanea condensata occurred only in northern Finland. Some records did not fit the recent morphological keys and should be analysed using molecular methods.
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Skinner, Stephen, and Timothy Entwisle. "Non-marine algae of Australia : 3. Audouinella and Balbiania (Rhodophyta)." Telopea 9, no. 3 (2002): 713–23. http://dx.doi.org/10.7751/telopea20024009.

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Dissertations / Theses on the topic "Audouinella"

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Tam, Carol Elizabeth. "A morphological and cytological study of Audouinella porphyrae and A. vaga (Rhodophyta)." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25055.

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A comparative study was made between two similar red algal endophytes, Audouinella porphyrae (Drew) Garbary and Audouinella vaga (Drew) Garbary, Hansen et Scagel, (Acrochaetiaceae, Acrochaetiales) and their red algal hosts Porphyra spp. and Pterosiphonia bipinnata, respectively. Both endophytes have axial, stellate chloroplasts with a central pyrenoid and reside in their host's cell walls, producing erect portions outside the host that may bear monosporangia. The endophytes were cultured "free" from their hosts and morphological and cytological features of the free-living forms were compared with field material. Although the two endophytes differ significantly in cell dimensions and branching patterns, the free-living forms do not retain these differences. Cell dimensions, branching patterns and developmental patterns are identical in the two free-living forms. Asexual reproduction with regeneration by monospores was observed. Sexual reproduction was not observed in either endophytic or free-living forms of the endophytes. Free-living forms were used for re-infection and cross-infection experiments. Under all experimental conditions, the endophytes showed only epiphytic growth. The hosts seem to have some effect on both of the endophytes. Epiphytes, Audouinella porphyrae and A. vaga were not selective and grew on both hosts, Porphyra torta and Pterosiphonia bipinnata. Both epiphtyes growing on blades of Porphyra tended to branch and have more extensive prostrate portions (3-5 cells) whereas both epiphytes on Pterosiphoni a bipinnata tend not to branch and have only 1-2 cells in the prostrate portions. Ultrastructural studies of both endophytes showed typical florideophycean features. Ultrastructural features of field material of the two endophytes were similar and free-living, cultured endophytes were similar to field material. A large vacuole was observed in sections of the field material of both prostrate and erect portions whereas this was not observed in cultured material. Based on the results of this study it is proposed that the two endophytes are conspecific. Audouinella vaga is referred to synonymy in Audouinella porphyrae (Drew) Garbary, Hansen et Scagel.
Science, Faculty of
Botany, Department of
Graduate
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2

Woelkerling, William J. "Aquatic botanical studies : with special reference to the red algal families, Corallinaceae and Acrochaetiaceae /." Title page, contents and abstract only, 1986. http://web4.library.adelaide.edu.au/theses/09SD/09sdw842.pdf.

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Woelkerling, William J. (William James). "Aquatic botanical studies : with special reference to the red algal families, Corallinaceae and Acrochaetiaceae / by Wm. J. Woelkerling." 1986. http://hdl.handle.net/2440/38597.

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Contains copies of 43 author's publications and introductory statement
Includes bibliographies
44 pts :
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
Thesis (D. Sc.)--University of Adelaide, 1986
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Book chapters on the topic "Audouinella"

1

Talarico, L., and A. Cortese. "Response of Audouinella saviana (Meneghini) Woelkerling (Nemaliales, Rhodophyta) cultures to monochromatic light." In Fourteenth International Seaweed Symposium. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1998-6_63.

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