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Xanthonema sp. ASYA22

IMU Code: H-18A

Phylum: Ochrophyta

Class: Xanthophyceae

Genus: Xanthonema

Strain:Xanthonema bristollianum

Origin: Horseshoe Island, Antarctica

Locality: Rock cavity

Type Culture: 

Isolator: T.Çakmak

Geographical Details : 67°49'48.7"S 67°14'18.6"W

NCBI Accession # : ON782052

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General Maintenance Conditions

 

Temperature: 15 °C/10 °C (D/N)

Light source: mix of warm-white & cool-white fluorescent lamps

Intensity:3200 lux (maximum)

Light period:16/8 h L/D

Media: BBM

Morphological Features of  Species

Xanthonema cells exist as single or few-celled filaments and tend to dissociate easily. The length-width ratio of the cells is (4.5min)6.5(8.4max) x (6.0min) 6.8(7.7max) µm. The cells are barrel-shaped and the cell wall is moderately thickened however, H-pieces are not distinctly present. Chloroplasts surround the entire cell wall and exist in 3-4 pieces (Broady,2019).

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