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Light-energy harvesting structure in cyanobacteria and red algae
Phycobilisomes are light-harvesting antennae that transmit the energy of harvested photons to photosystem II and photosystem I in cyanobacteria and in
Phycobilisome
Protein-pigment complex
complex of cyanobacteria, glaucocystophyta, and red algae is known as the phycobilisome; it is composed of linear tetrapyrrole pigments. Pigment-protein complexes
Light-harvesting_complex
Chemical compound
component of the light-harvesting system of cyanobacteria and red algae (phycobilisome). When bound to phycoerythrin, phycourobilin shows an absorption maximum
Phycourobilin
Protein complexes in algae
phycobiliproteins aggregate to form clusters that adhere to the membrane, called phycobilisomes. The term "phycocyanin" come from the Greek phyco meaning "algae" and
Phycocyanin
Phylum of photosynthesising prokaryotes
Attached to the thylakoid membrane, phycobilisomes act as light-harvesting antennae for the photosystems. The phycobilisome components (phycobiliproteins)
Cyanobacteria
the primary light-harvesting antenna complexes of cyanobacteria, the phycobilisomes. The quenching is induced by blue-green light. It is also capable of
Orange_carotenoid_protein
to minutes). The effect is prominent in cyanobacteria, whereby the phycobilisome light-harvesting antenna complexes alter their preference for transfer
Photosynthetic state transition
Photosynthetic_state_transition
Class of pigment proteins in photosynthesising organisms
together in separate clusters, approximately 40nm in diameter, known as phycobilisomes. The structural changes involved in deriving bilins from their biliverdin
Biliprotein
Diverse group of photosynthetic organisms
and, in some cases, b, d, or f chlorophylls, generally distributed in phycobilisomes found in the surface of thylakoids. They display a variety of body forms
Algae
Biological process to convert light into chemical energy
this problem, Cyanobacteria have a light-harvesting complex called Phycobilisome. This complex is made up of a series of proteins with different pigments
Photosynthesis
Resting or dormant stage of a microorganism
Phragmoplast Flagellar apparatus Glaucophytes: Cyanelles Phycobilisomes Red algae: Pit connection Phycobilisomes Hacrobia Cryptophyta: Mastigoneme Periplast Haptophytes:
Microbial_cyst
Chemical compound
phycocyanobilin:ferredoxin oxidoreductase PcyA. Phycocyanobilin is a component of phycobilisome protein complexes, the light-harvesting antennae that transmit the energy
Phycocyanobilin
Chemical compound
converted into the (3E) isomer. Phycoerythrobilins are components of phycobilisome protein complexes, the light-harvesting antennae that transmit the energy
Phycoerythrobilin
light-capturing part). They are most important constituents of the phycobilisomes. Phycobiliproteins demonstrate superior fluorescent properties compared
Phycobiliprotein
Plant organelle that conducts photosynthesis
complexes about 40 nanometers across called phycobilisomes. Like photosystem I and ATP synthase, phycobilisomes jut into the stroma, preventing thylakoid
Chloroplast
Protein family
identified in cyanobacterial species, where they occur associated with phycobilisome in the cellular thylakoid membrane. These proteins function in photoprotection
Orange carotenoid N-terminal domain
Orange_carotenoid_N-terminal_domain
amount of fluorescence quenching that occurs between the OCP and the phycobilisome antenna complexes. It interacts with the C-terminal domain of OCP, which
Fluorescence_recovery_protein
Protein-pigment complex
called phycobilisomes. In red algae they are anchored to the stromal side of thylakoid membranes of chloroplasts, whereas in cryptophytes phycobilisomes are
Phycoerythrin
Polish-American biologist (1935–2021)
in light-harvesting complexes in cyanobacteria and red algae called phycobilisomes. He had also spent more than 10 years working on the human genome project
Alexander_Glazer
Agents that emit light after excitation by light
Fluor dyes (Biosearch Technologies) SureLight Dyes (APC, RPEPerCP, Phycobilisomes) (Columbia Biosciences) APC, APCXL, RPE, BPE (Phyco-Biotech, Greensea
Fluorophore
Biological database of proteins
truncated ones), globins (Heme-binding protein), and phycocyanin-like phycobilisome proteins (oligomers of two different types of globin-like subunits containing
Structural Classification of Proteins database
Structural_Classification_of_Proteins_database
Membrane enclosed compartments in chloroplasts and cyanobacteria
thylakoids provides space for the external light-harvesting antennae, the phycobilisomes. This macrostructure, as in the case of higher plants, shows some flexibility
Thylakoid
Division of algae
chlorophyll a. Along with red algae and cyanobacteria, they harvest light via phycobilisomes, structures consisting largely of phycobiliproteins. The green algae
Glaucophyte
Division of plant life
phycoerythrobilin, phycourobilin and phycobiliviolin), which are localized into phycobilisomes, gives red algae their distinctive color. Their chloroplasts contain
Red_algae
Shell-like protective outer covering of organisms
Phragmoplast Flagellar apparatus Glaucophytes: Cyanelles Phycobilisomes Red algae: Pit connection Phycobilisomes Hacrobia Cryptophyta: Mastigoneme Periplast Haptophytes:
Lorica_(biology)
Light harvesting protein
but aggregate, forming clusters that adhere to the membrane called phycobilisomes. Allophycocyanin absorbs and emits red light (650 and 660 nm max, respectively)
Allophycocyanin
Chemical compound
phycocyanin, an important component of the light-harvesting complex (phycobilisome) of cyanobacteria and red algae. While only phycocyanobilin is covalently
Phycoerythrocyanin
Class of single-celled organisms
light‐harvesting antenna complex derived from two relict parts of the red algal phycobilisome, which was completely dismantled during the endosymbiotic process. While
Cryptophyceae
Cell organelle in a few species
Phragmoplast Flagellar apparatus Glaucophytes: Cyanelles Phycobilisomes Red algae: Pit connection Phycobilisomes Hacrobia Cryptophyta: Mastigoneme Periplast Haptophytes:
Mitosome
Mitochondrion-derived organelle
Phragmoplast Flagellar apparatus Glaucophytes: Cyanelles Phycobilisomes Red algae: Pit connection Phycobilisomes Hacrobia Cryptophyta: Mastigoneme Periplast Haptophytes:
Hydrogenosome
Plant cell organelles that perform photosynthesis and store starch
For example, chloroplasts in plants and green algae have lost all phycobilisomes, the light harvesting complexes found in cyanobacteria, red algae and
Plastid
Biochemical pathways used by microbes to satisfy energy needs
organisms contain more specialized light-harvesting structures (e.g. phycobilisomes in Cyanobacteria and chlorosomes in Green sulfur and non-sulfur bacteria)
Microbial_metabolism
Genus of bacteria
photosynthetic cyanobacteria, which contains the light-harvesting antennae phycobilisomes. However, Prochlorochoccus has evolved to use a unique light-harvesting
Prochlorococcus
MeSH A11.284.149.165.630.500 – nuclear lamina MeSH A11.284.149.165.695 – phycobilisomes MeSH A11.284.149.165.760 – ranvier's nodes MeSH A11.284.149.356 – erythrocyte
List_of_MeSH_codes_(A11)
Complex where conversion of light energy to chemical energy takes place
biological processes) Light-harvesting complex Photosynthesis Photosystem Phycobilisome Photosynthetic reaction center protein family Berg JM, Tymoczko JL,
Photosynthetic reaction centre
Photosynthetic_reaction_centre
Genus of bacteria
chloroplasts. Instead, the light-harvesting complexes (also called phycobilisomes), that consist of different proteins, sit on the inside of the plasma
Gloeobacter
Species of bacterium
1993). "Synechocystis sp PCC 6803 strains lacking photosystem I and phycobilisome function". The Plant Cell. 5 (12): 1853–63. doi:10.1105/tpc.5.12.1853
Synechocystis_sp._PCC_6803
Biochemical process
other cyanobacterial strategies may involve state-transitions of the phycobilisome antenna complex , photoreduction of water with the Flavodiiron proteins
Photoprotection
American botanist and phycologist
blue-green algae, including the identification and characterization of phycobilisomes. Gantt became a professor at the University of Maryland, College Park
Elisabeth_Gantt
Protein domain
bound to the thylakoid membrane or anchored to the thylakoid-bound phycobilisomes. Chloroplast ferredoxin-NADP+ reductase (EC 1.18.1.2) may play a key
Oxidoreductase NAD-binding domain
Oxidoreductase_NAD-binding_domain
Genus of single-celled organisms
and reduced it to a complex plastid with four envelope membranes. The phycobilisomes of the former red algae were reduced until only phycoerythrin remained
Cryptomonas
Genus of bacteria
rapidly reversible coupling of their light-harvesting antenna, the phycobilisomes, with PSI and PSII. Trichodesmium is found in oligotrophic waters, often
Trichodesmium
Chilean biologist
mid 90's, and coinciding with Cid's retirement, Bunster investigated phycobilisomes, a fluorescent, macromolecular-light harvesting system present primarily
Marta_Bunster
Tsoraev, G. V.; et al. (2019). "Radioprotective role of cyanobacterial phycobilisomes". Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1860 (2): 121–128
List of microorganisms tested in outer space
List_of_microorganisms_tested_in_outer_space
Species of bacterium
period, and the cell transitions itself to shut down its photosystem. Phycobilisomes, which are light harvesting complexes for photosystem II are also shown
Crocosphaera_watsonii
Japanese and American plant biologist
saw her focus on Porphyridium cruentum and the biochemistry of its phycobilisomes. Dilworth joined the American Society of Plant Biologists in the late
Machi_Dilworth
American biologist (born 1950)
, Grossman, A.R. (1994) A small peptide elicits the degradation of phycobilisomes during nutrient-limited growth of cyanobacteria. EMBO J 13: pages 1039-1047
Arthur_R._Grossman
Protein family
antenna for photosystem I (PSI) under iron-limiting conditions, when phycobilisomes disappear. In the (PSI)3(Isi3)18 complex most of the harvested energy
Iron-starvation-induced protein A
Iron-starvation-induced_protein_A
Canadian microbiologist (1916–1982)
autotrophy, fatty acid composition, structure of phycobiliproteins and phycobilisomes, chromatic adaptation, nitrogen fixation, and their nutrition and taxonomy
Roger_Stanier
gracefully written reviews explaining the structure and operation of phycobilisomes, the phycobiliprotein complexes that harvest light for photosynthesis
NAS Award for Scientific Reviewing
NAS_Award_for_Scientific_Reviewing
is the set of 2006 MeSH Trees from the NLM. MeSH D05.500.249.600 – phycobilisomes MeSH D05.500.562.124 – cytochrome b6f complex MeSH D05.500.562.124.500
List_of_MeSH_codes_(D05)
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