aphanothece

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    Aphanothece is a polyphyletic genus with 63 accepted species. The name is derived from the Greek words, ‘aphanes’ and ‘theke’ which mean “invisible" and “box or sheath” respectively. This genera is cosmopolitan, found in soils, thermal springs and other benthic, freshwater, marine, hypersaline, and moist terrestrial environments. Morphology can vary, with both microscopic and macroscopic colonies large enough to be collected and preserved in herbarium records.


    Morphology


    The formerly combined genera Aphanothece and Anathece can be differentiated by the size of cells, ecology and colony morphology. Anathece rarely forms colonies large enough to see and has much smaller cells, while Aphanothece can have colonies several cm in diameter and tends to have larger cells. Aphanothece species occupy a broader range of microhabitats that can be planktonic, subaerophytic, metaphytic, epipelic, or benthic. While benthic Anathece have been reported, they are typically planktonic. Anathece colonies are less defined and colorless, Aphanothece colonies and mucilage can be found in shades of green, grey, blue, brown and yellow.


    Ecology and Habitat


    Aphanothece species live in freshwater ponds, lakes and coastal brackish environments. Some species are able to live in extremely thermophilic environments such as hot water springs. Aphanothece species also live in soil and on wet rocks, these species form sediments on the marine coasts.
    In oil industry waste water, 40 species of algae including Aphanothece were observed to be growing in this environment by using organic molecules as nutrients in the summer and winter months.


    Taxonomy


    Aphanothece is a genus of cyanobacteria with complex taxonomy. Previously, the genus was only delineated morphologically since it was first described by Carl Nägeli in 1849, with Aphanothece microscopica Nägeli as the type species. By some accounts the genus has 29 accepted species, but work on the taxa since the 1990s reassigned species and divided the genus into three subgenera based on morphological and molecular methods: Aphanothece, Anathece and Cyanogastrum, which were later separated into their own genera.
    In the most recent work on the classification of cyanobacteria orders and families, Anathece was moved to the Prochlorococcaceae family as its own genus. A formal review of every species in the taxa has not been conducted, as such a list of the 63 taxonomically accepted species in the AlgaeBase database are as follows, but are likely to change as more research is conducted.


    = Species

    =
    Anacystis thermalis J.J.Copeland
    Aphanothece atrocrustacea Skuja
    Aphanothece bacilloidea N.L.Gardner
    Aphanothece biceps Skuja
    Aphanothece botryosa Obuchova
    Aphanothece bullosa (Meneghini) Rabenhorst
    Aphanothece cancellata Zalessky
    Aphanothece castagnei (Kützing) Rabenhorst
    Aphanothece coacervata N.M.Lemes-da-Silva, L.H.Zanini-Branco & O.Necchi Jr.
    Aphanothece coerulescens A.Braun
    Aphanothece cohenii Campbell & Golubic
    Aphanothece comasii J.Komárková-Legnerová & R.Tavera
    Aphanothece conferta P.Richter
    Aphanothece conglomerata F.Rich
    Aphanothece cretaria Frémy
    Aphanothece curvata Lagerheim
    Aphanothece cylindracea (N.L.Gardner) Komárek & Anagnostidis
    Aphanothece densa N.M.Lemes da Silva, L.H.Zanini Branco & O.Necchi Jr.
    Aphanothece desikacharyi Hindák
    Aphanothece distans Zalessky
    Aphanothece elabens (Meneghini) Elenkin
    Aphanothece excentrica N.M.Lemes da Silva, L.H.Zanini Branco & O.Necchi Jr.
    Aphanothece floccosa (Zalessky) Cronberg & Komárek
    Aphanothece gardneri G.De Toni
    Aphanothece goetzei Schmidle
    Aphanothece granulosa (N.L.Gardner) Komárek & Komákova-Legnerová
    Aphanothece halophytica Frémy
    Aphanothece hardersii Schiller
    Aphanothece hegewaldii Kovácik
    Aphanothece heterospora Rabenhorst
    Aphanothece karukerae Lami
    Aphanothece krumbeinii Campbell & Golubic
    Aphanothece lemnae H.-J.Chu
    Aphanothece longior Naumann
    Aphanothece margaritacea (Kützing) Forti
    Aphanothece marina (Ercegovic) Komárek & Anagnostidis
    Aphanothece maritima J.R.Johansen & Flechtner
    Aphanothece microscopica Nägeli
    Aphanothece microspora (Meneghini) Rabenhorst
    Aphanothece minor Frémy
    Aphanothece naegelii Wartmann
    Aphanothece nebulosa Skuja
    Aphanothece nidulans P.Richter
    Aphanothece nostocopsis Skuja
    Aphanothece opalescens N.L.Gardner
    Aphanothece pallida (Kützing) Rabenhorst
    Aphanothece paralleliformis Cronberg
    Aphanothece protohydrae Häyrén
    Aphanothece pseudoglebulenta Joosten
    Aphanothece rubra Liebetanz
    Aphanothece sacrum (Suringar) Okada
    Aphanothece salina Elenkin & A.N.Danilov
    Aphanothece saxicola Nägeli
    Aphanothece stagnina (Sprengel) A.Braun
    Aphanothece subsalina Komárek et Komárková-Legnerová
    Aphanothece thermicola Hindák
    Aphanothece trentepohlii Grunow
    Aphanothece uliginosa W.R.Taylor
    Aphanothece utahensis Tilden
    Aphanothece vaginata N.M.Lemes da Silva, L.H.Zanini Branco & O.Necchi Jr.
    Aphanothece variabilis (J.Schiller) Komárek
    Aphanothece zulanirae Werner & Sant'Anna


    References

Kata Kunci Pencarian: aphanothece

aphanotheceaphanothece sacrum exopolysaccharidesaphanothece microscopicaaphanothece stagninaaphanothece spaphanothece sacrum polysaccharidesaphanothece halophyticaaphanothece nageliaphanothece diagramaphanothece nageli domain Search Results

aphanothece

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Aphanothece - Wikipedia

Aphanothece is a genus of cyanobacteria with complex taxonomy. Previously, the genus was only delineated morphologically since it was first described by Carl Nägeli in 1849, with Aphanothece microscopica Nägeli as the type species. [ 1 ]

Phycokey - Aphanothece - University of New Hampshire

Aphanocapsa can be distinguished from Aphanothece by the cells spherical shape. Gleothece cells are enclosed in a denser mucilage, cells individually surrounded by an envelope distinct from the larger mass of mucilage.

Aphanothece – New Jersey Center For Water Science And …

Microscopic to macroscopic colonies–capable of reaching up to several centimeters in diameter–roughly spherical or amorphous in shape, and grayish, greenish, blue-green, or brownish. Cells are irregularly arranged, sparsely or densely, within colonial mucilage.

Aphanothece - an overview | ScienceDirect Topics

Aphanothece, a genus of cyanobacteria from the Chroococcales order, has the ability to form floating colonies. Prior research has demonstrated the potential of this genus in wastewater treatment and single-cell protein production [41].

Aphanothece sp. as promising biostimulant to alleviate heavy …

Apr 27, 2023 · In the present study, we emphasized that ACE alleviates H.M stress by minimizing metal translocation to above-part of plant and enhancing plant growth, nutrients absorption, and biochemical...

Morphology, growth and perennation in Aphanothece, …

Key-words Aphanothece, growth pattern, perennation, germination. INTRODUCTION MATERIAL AND METHOD APHANOTHECE is a common genus and exhibits conspicuous growth on roadside pavements during collected from rice-fields and maintained in our rains. Certain species of the genus grow abundantly germplasm collection of Cyanobacteria, Botany

Aphanocapsa / Aphanothece - University of New Hampshire

Aphanocapsa and Aphanothece cells are small and considered microcolonies of picocyanobacteria (0.2-2.0 um cell sizes) Cells are colonized within a mucilagenous sheath; Cell shape distinguishes these two genera; as Aphanocapsa has coccoid cells, while Aphanothece has rod-shaped cells

Full article: Phylogenetic and taxonomic delimitation of the ...

Aug 26, 2011 · Generic characteristics, studied by a combination of molecular sequencing of 16S rDNA, ultrastructure, ecology and morphological variation, were investigated in selected strains and populations of type species of the traditional subgenera Aphanothece and Anathece.

Typical members of the genus Aphanothece . (a) Aphanothece …

The traditional cyanobacterial form-genus Aphanothece was established according to morphological criteria in the middle of the 19th century by Na¨ geli. It comprises unicellular morphotypes with...

Aphanothece Nägeli, 1849 - WoRMS - World Register of Marine …

World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Aphanothece Nägeli, 1849. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=146715 on 2024-12-04.