Мicroscopic investigations (LM, TEM and SEM) and identification of Chlorella isolate R-06/2 from extreme habitat in Bulgaria with a strong biological activity and resistance to environmental stress factors

An extremophilic Chlorella strain R-06/2, isolated from a geothermal spring (+42 °C) in the region of Rupite village (SW Bulgaria), was investigated for species identification. This was done by observation of the cell morphology, reproduction and ultrastructure by light microscopy, scanning electron...

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Published in:Biotechnology, biotechnological equipment biotechnological equipment, 2015-05, Vol.29 (3), p.536-540
Main Authors: Gärtner, Georg, Uzunov, Blagoy, Ingolic, Elisabeth, Kofler, Werner, Gacheva, Gergana, Pilarski, Plamen, Zagorchev, Lyuben, Odjakova, Mariela, Stoyneva, Maya
Format: Article
Language:English
Subjects:
Biological activity
Cell morphology
cell wall
Cell walls
Chlorella
Cytology
Electron microscopy
Environmental stress
extremophilic alga
Glucosamine
green algae
Light microscopy
Microscopy
Morphology
Optical microscopy
Reproduction (biology)
Resistance factors
Scanning electron microscopy
Starch
thermophilic alga
Transmission electron microscopy
Ultrastructure
ultrastructure, pyrenoid
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creator Gärtner, Georg
Uzunov, Blagoy
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Stoyneva, Maya
description An extremophilic Chlorella strain R-06/2, isolated from a geothermal spring (+42 °C) in the region of Rupite village (SW Bulgaria), was investigated for species identification. This was done by observation of the cell morphology, reproduction and ultrastructure by light microscopy, scanning electron microscopy and transmission electron microscopy, and by investigation of the cell-wall chemistry. The pyrenoid ultrastructure with a double-layered thylakoid traversing the matrix, the shape of the starch envelope, as well as the cell wall, composed of glucosamine and developed around young autospores, were the features that allowed us to classify the thermophilic strain Chlorella R-06/2 as Chlorella vulgaris Beijerinck 1890.
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ispartof Biotechnology, biotechnological equipment, 2015-05, Vol.29 (3), p.536-540
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1314-3530
language eng
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source Taylor & Francis Open Access
subjects Biological activity
Cell morphology
cell wall
Cell walls
Chlorella
Cytology
Electron microscopy
Environmental stress
extremophilic alga
Glucosamine
green algae
Light microscopy
Microscopy
Morphology
Optical microscopy
Reproduction (biology)
Resistance factors
Scanning electron microscopy
Starch
thermophilic alga
Transmission electron microscopy
Ultrastructure
ultrastructure, pyrenoid
title Мicroscopic investigations (LM, TEM and SEM) and identification of Chlorella isolate R-06/2 from extreme habitat in Bulgaria with a strong biological activity and resistance to environmental stress factors
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