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Title Adaptation of the Photosynthetic Unit of Purple Bacteria to Changes of Ligtht Illumination Intensities
Edition
Call Number
ISBN/ISSN
Author(s) Tatas H.P. Brotosudarmo
Leenawaty Limantara
Heriyanto
Monika Nur Utami Prihastyanti
Subject(s) Light-harvesting complex
bacteriochlorophyll
Carotenoid
light adaptation
structural diversity
Classification
Series Title
GMD Jurnal Ilmiah Internasional
Language English
Publisher Springer India, in co-publication with Indian Academy of Sciences
Publishing Year 2015
Publishing Place Singapore
Collation
Abstract/Notes Photosynthetic purple bacteria have developed sophisticated processes to adapt their photosynthetic unit towards changes in light illumination in which the cells grow. Some purple bacteria show pronounced modification of their PSU from changing the composition and content of photosynthetic pigments, i.e. carotenoids, to replacing different composition of polypeptides that alter the Qy absorption bands of bacteriochlorophyll. Adjusting the spectrum by shifting spectral band position or tuning absorption intensity of spectral band are keys to collect light energy at specific ecological niches they inhabit. Furthermore photoprotection system will ensure the complex from damage
Specific Detail Info Procedia Chemistry Vol. 14 (2015) Hal. 414-421
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