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- Accessory_pigment abstract "Accessory pigments are light-absorbing compounds, found in photosynthetic organisms, that work in conjunction with chlorophyll a. They include other forms of this pigment, such as chlorophyll b in green algal and higher plant antennae, while other algae may contain chlorophyll c or d. In addition, there are many non-chlorophyll accessory pigments, such as carotenoids or phycobiliproteins, which also absorb light and transfer that light energy to photosystem chlorophyll. Some of these accessory pigments, in particular the carotenoids, also serve to absorb and dissipate excess light energy, or work as antioxidants. The large, physically associated group of chlorophylls and other accessory pigments is sometimes referred to as a pigment bed, though this term is no longer supported by what we know of photosystem and antenna complex structures.The different chlorophyll and non-chlorophyll pigments associated with the photosystems all have different absorption spectra, either because the spectra of the different chlorophyll pigments are modified by their local protein environment or because the accessory pigments have intrinsic structural differences. The result is that, in vivo, a composite absorption spectrum of all these pigments is broadened and flattened such that a wider range of visible and infrared radiation is absorbed by plants and algae. Most photosynthetic organisms do not absorb green light well, thus most remaining light under leaf canopies in forests or under water with abundant plankton is green, a spectral effect called the "green window". Organisms such as some cyanobacteria and red algae contain accessory phycobiliproteins that absorb green light reaching these habitats.In aquatic ecosystems, it is likely that the absorption spectrum of water, along with gilvin and tripton (dissolved and particulate organic matter, respectively), determines phototrophic niche differentiation. The six shoulders in the light absorption of water between wavelengths 400 and 1100 nm correspond to troughs in the collective absorption of at least twenty diverse species of phototrophic bacteria. Another effect is due to the overall trend for water to absorb low frequencies, while gilvin and tripton absorb higher ones. This is why open ocean appears blue and supports yellow species such as Prochlorococcus, which contains divinyl-chlorophyll a and b. Synechococcus, colored red with phycoerythrin, is adapted to coastal bodies, while phycocyanin allows Cyanobacteria to thrive in darker inland waters.".
- Accessory_pigment wikiPageID "1869857".
- Accessory_pigment wikiPageLength "3251".
- Accessory_pigment wikiPageOutDegree "34".
- Accessory_pigment wikiPageRevisionID "590160602".
- Accessory_pigment wikiPageWikiLink Absorption_spectroscopy.
- Accessory_pigment wikiPageWikiLink Absorption_spectrum.
- Accessory_pigment wikiPageWikiLink Action_spectrum.
- Accessory_pigment wikiPageWikiLink Antioxidant.
- Accessory_pigment wikiPageWikiLink Antioxidants.
- Accessory_pigment wikiPageWikiLink Aquatic_ecosystem.
- Accessory_pigment wikiPageWikiLink Carotenoid.
- Accessory_pigment wikiPageWikiLink Category:Photosynthesis.
- Accessory_pigment wikiPageWikiLink Chlorophyll_a.
- Accessory_pigment wikiPageWikiLink Cyanobacteria.
- Accessory_pigment wikiPageWikiLink Energy.
- Accessory_pigment wikiPageWikiLink Frequencies.
- Accessory_pigment wikiPageWikiLink Frequency.
- Accessory_pigment wikiPageWikiLink Green_alga.
- Accessory_pigment wikiPageWikiLink Green_algae.
- Accessory_pigment wikiPageWikiLink Higher_plant.
- Accessory_pigment wikiPageWikiLink In_vivo.
- Accessory_pigment wikiPageWikiLink Infrared.
- Accessory_pigment wikiPageWikiLink Light.
- Accessory_pigment wikiPageWikiLink Niche_differentiation.
- Accessory_pigment wikiPageWikiLink Organic_matter.
- Accessory_pigment wikiPageWikiLink Organism.
- Accessory_pigment wikiPageWikiLink Particulate.
- Accessory_pigment wikiPageWikiLink Particulates.
- Accessory_pigment wikiPageWikiLink Photosynthesis.
- Accessory_pigment wikiPageWikiLink Photosynthetic.
- Accessory_pigment wikiPageWikiLink Photosystem.
- Accessory_pigment wikiPageWikiLink Phototroph.
- Accessory_pigment wikiPageWikiLink Phycobiliprotein.
- Accessory_pigment wikiPageWikiLink Phycocyanin.
- Accessory_pigment wikiPageWikiLink Phycoerythrin.
- Accessory_pigment wikiPageWikiLink Pigment.
- Accessory_pigment wikiPageWikiLink Prochlorococcus.
- Accessory_pigment wikiPageWikiLink Properties_of_water.
- Accessory_pigment wikiPageWikiLink Red_algae.
- Accessory_pigment wikiPageWikiLink Solvation.
- Accessory_pigment wikiPageWikiLink Synechococcus.
- Accessory_pigment wikiPageWikiLink Vascular_plant.
- Accessory_pigment wikiPageWikiLink Visible_light.
- Accessory_pigment wikiPageWikiLink Water_(molecule).
- Accessory_pigment wikiPageWikiLink Wavelength.
- Accessory_pigment wikiPageWikiLinkText "Accessory pigment".
- Accessory_pigment wikiPageWikiLinkText "accessory pigment".
- Accessory_pigment hasPhotoCollection Accessory_pigment.
- Accessory_pigment wikiPageUsesTemplate Template:Citation_needed.
- Accessory_pigment wikiPageUsesTemplate Template:Reflist.
- Accessory_pigment subject Category:Photosynthesis.
- Accessory_pigment hypernym Compounds.
- Accessory_pigment type Article.
- Accessory_pigment type ChemicalCompound.
- Accessory_pigment type Article.
- Accessory_pigment comment "Accessory pigments are light-absorbing compounds, found in photosynthetic organisms, that work in conjunction with chlorophyll a. They include other forms of this pigment, such as chlorophyll b in green algal and higher plant antennae, while other algae may contain chlorophyll c or d. In addition, there are many non-chlorophyll accessory pigments, such as carotenoids or phycobiliproteins, which also absorb light and transfer that light energy to photosystem chlorophyll.".
- Accessory_pigment label "Accessory pigment".
- Accessory_pigment sameAs Kaaspigmendid.
- Accessory_pigment sameAs Pigmento_acessório.
- Accessory_pigment sameAs m.02y_50w.
- Accessory_pigment sameAs Q3737836.
- Accessory_pigment sameAs Q3737836.
- Accessory_pigment wasDerivedFrom Accessory_pigment?oldid=590160602.
- Accessory_pigment isPrimaryTopicOf Accessory_pigment.