Rapid recovery of cyanobacterial pigments in desiccated biological soil crusts following addition of water

We examined soil surface colour change to green and hydrotaxis following addition of water to biological soil crusts using pigment extraction, hyperspectral imaging, microsensors and 13C labeling experiments coupled to matrix-assisted laser desorption and ionization time of flight-mass spectrometry...

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Veröffentlicht in:	PloS one 2014-11, Vol.9 (11), p.e112372-e112372
Hauptverfasser:	Abed, Raeid M M, Polerecky, Lubos, Al-Habsi, Amal, Oetjen, Janina, Strous, Marc, de Beer, Dirk
Format:	Artikel
Sprache:	eng
Schlagworte:	Acacia tortilis Biology Biology and Life Sciences Cell division Chemical synthesis Chlorophyll Color Crusts Cyanobacteria Cyanobacteria - chemistry Cyanobacteria - metabolism Dehydration Deserts Desiccation Drying Ecology and Environmental Sciences Experiments Hyperspectral imaging Ionization Labelling Laboratories Mass spectrometry Mass spectroscopy Photosynthesis Photosynthetic apparatus Pigments Pigments, Biological - chemistry Recovery Recovery (Medical) Soil - chemistry Soil Microbiology Soil water Soils Synechocystis Topsoil Wetting
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Beschreibung
Zusammenfassung:	We examined soil surface colour change to green and hydrotaxis following addition of water to biological soil crusts using pigment extraction, hyperspectral imaging, microsensors and 13C labeling experiments coupled to matrix-assisted laser desorption and ionization time of flight-mass spectrometry (MALD-TOF MS). The topsoil colour turned green in less than 5 minutes following water addition. The concentrations of chlorophyll a (Chl a), scytonemin and echinenon rapidly increased in the top
ISSN:	1932-6203 1932-6203
DOI:	10.1371/journal.pone.0112372