FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1990220836> ?p ?o ?g. }

• W1990220836 endingPage "211" @default.
• W1990220836 startingPage "204" @default.
• W1990220836 abstract "Fluorescence and photochemical properties of phytochromes A and B (phyA and phyB) have been investigated in etiolated pea (Pisum sativum L.) seedlings by comparing wild-type (wt) seedlings with mutants lacking phyB (lv-5) or phyA (fun1-1), and with the double mutant. The red-light (R)-absorbing form of phytochrome (Pr) is characterized by four major parameters: position of the emission maximum at 85 K (λmax), total phytochrome content ([Ptot]); extent of the Pr photoransformation into the first product, lumi-R, at 85 K (γ1), and into the far-red light (FR)-absorbing form (Pfr) at 273 K (γ2). Phytochrome cannot be detected in the lv-5 fun1-1 double mutant, allowing specific characterization of phyA and phyB in the single mutants. Thus, for the first time we are able to compare in planta the properties of native phyA and phyB. Our results show the phyA population to be heterogenous both in distribution and properties. [PhyAtot] is highest in the upper stem (5.23 rel. units), with λmax of 687 nm, γ1=0.43 and γ2=0.72, and 3.5-fold lower in the lower stem and roots, with γmax blue-shifted by more than 1 nm, γ1=0.3 and γ2=0.7. In contrast, phyB is present at a low level throughout the plant (0.3–0.4 rel. units), with γmax of 683 nm, γ1 of 0.05 and γ2 of 0.3–0.35. It is also characterized by an earlier red drop in the dependence of γ2 on the wavelength of the actinic light compared to phyA. Experiments with light-induced phytochrome destruction confirm previous findings that the majority of phyA, unlike phyB, is light-labile. The variation in properties of phyA is interpreted in terms of two species, phyA′ and phyA″. PhyA′ is relatively abundant, is distributed mainly in the upper stem, is light-labile and has a high γ1 value (≈0.5), whereas phyA″ is less abundant, is distributed more or less evenly throughout the plant, is relatively light-stable and has a low γ1 value (<0.05). It is suggested that the lower photochemical activity of phyB at ambient temperatures (low γ2) and its earlier red drop (which is likely to be due to the blue-shift in the absorption spectra of phyB Pr and Pfr) might explain, at least partially, the lower effectiveness of phyB under R and its lack of effect under FR." @default.
• W1990220836 created "2016-06-24" @default.
• W1990220836 creator A5044193254 @default.
• W1990220836 creator A5049255505 @default.
• W1990220836 creator A5050323369 @default.
• W1990220836 date "1999-04-01" @default.
• W1990220836 modified "2023-10-09" @default.
• W1990220836 title "Fluorescence and photochemical properties of phytochromes A and B in etiolated pea seedlings" @default.
• W1990220836 cites W1599004399 @default.
• W1990220836 cites W1609857935 @default.
• W1990220836 cites W1965405554 @default.
• W1990220836 cites W1965828457 @default.
• W1990220836 cites W1985777732 @default.
• W1990220836 cites W1992275909 @default.
• W1990220836 cites W2011223626 @default.
• W1990220836 cites W2016300367 @default.
• W1990220836 cites W2065653558 @default.
• W1990220836 cites W2068928115 @default.
• W1990220836 cites W2075549650 @default.
• W1990220836 cites W2078616630 @default.
• W1990220836 cites W2087045527 @default.
• W1990220836 cites W2089968212 @default.
• W1990220836 cites W2095941879 @default.
• W1990220836 cites W2110773729 @default.
• W1990220836 cites W2119112041 @default.
• W1990220836 cites W2134411846 @default.
• W1990220836 cites W2135474353 @default.
• W1990220836 cites W2139394183 @default.
• W1990220836 cites W2162729835 @default.
• W1990220836 cites W2167671547 @default.
• W1990220836 cites W2171341477 @default.
• W1990220836 cites W2173531538 @default.
• W1990220836 cites W2561642073 @default.
• W1990220836 cites W4238870629 @default.
• W1990220836 cites W4254438493 @default.
• W1990220836 doi "https://doi.org/10.1016/s1011-1344(99)00061-5" @default.
• W1990220836 hasPublicationYear "1999" @default.
• W1990220836 type Work @default.
• W1990220836 sameAs 1990220836 @default.
• W1990220836 citedByCount "21" @default.
• W1990220836 countsByYear W19902208362012 @default.
• W1990220836 countsByYear W19902208362018 @default.
• W1990220836 countsByYear W19902208362019 @default.
• W1990220836 countsByYear W19902208362021 @default.
• W1990220836 countsByYear W19902208362022 @default.
• W1990220836 countsByYear W19902208362023 @default.
• W1990220836 crossrefType "journal-article" @default.
• W1990220836 hasAuthorship W1990220836A5044193254 @default.
• W1990220836 hasAuthorship W1990220836A5049255505 @default.
• W1990220836 hasAuthorship W1990220836A5050323369 @default.
• W1990220836 hasConcept C104317684 @default.
• W1990220836 hasConcept C120665830 @default.
• W1990220836 hasConcept C121332964 @default.
• W1990220836 hasConcept C125418430 @default.
• W1990220836 hasConcept C12554922 @default.
• W1990220836 hasConcept C143065580 @default.
• W1990220836 hasConcept C144024400 @default.
• W1990220836 hasConcept C149923435 @default.
• W1990220836 hasConcept C181199279 @default.
• W1990220836 hasConcept C185592680 @default.
• W1990220836 hasConcept C207583985 @default.
• W1990220836 hasConcept C2775988993 @default.
• W1990220836 hasConcept C2775997218 @default.
• W1990220836 hasConcept C2779535332 @default.
• W1990220836 hasConcept C2908647359 @default.
• W1990220836 hasConcept C2909544318 @default.
• W1990220836 hasConcept C2986477067 @default.
• W1990220836 hasConcept C55493867 @default.
• W1990220836 hasConcept C59822182 @default.
• W1990220836 hasConcept C86803240 @default.
• W1990220836 hasConcept C90180588 @default.
• W1990220836 hasConcept C91881484 @default.
• W1990220836 hasConceptScore W1990220836C104317684 @default.
• W1990220836 hasConceptScore W1990220836C120665830 @default.
• W1990220836 hasConceptScore W1990220836C121332964 @default.
• W1990220836 hasConceptScore W1990220836C125418430 @default.
• W1990220836 hasConceptScore W1990220836C12554922 @default.
• W1990220836 hasConceptScore W1990220836C143065580 @default.
• W1990220836 hasConceptScore W1990220836C144024400 @default.
• W1990220836 hasConceptScore W1990220836C149923435 @default.
• W1990220836 hasConceptScore W1990220836C181199279 @default.
• W1990220836 hasConceptScore W1990220836C185592680 @default.
• W1990220836 hasConceptScore W1990220836C207583985 @default.
• W1990220836 hasConceptScore W1990220836C2775988993 @default.
• W1990220836 hasConceptScore W1990220836C2775997218 @default.
• W1990220836 hasConceptScore W1990220836C2779535332 @default.
• W1990220836 hasConceptScore W1990220836C2908647359 @default.
• W1990220836 hasConceptScore W1990220836C2909544318 @default.
• W1990220836 hasConceptScore W1990220836C2986477067 @default.
• W1990220836 hasConceptScore W1990220836C55493867 @default.
• W1990220836 hasConceptScore W1990220836C59822182 @default.
• W1990220836 hasConceptScore W1990220836C86803240 @default.
• W1990220836 hasConceptScore W1990220836C90180588 @default.
• W1990220836 hasConceptScore W1990220836C91881484 @default.
• W1990220836 hasIssue "2-3" @default.
• W1990220836 hasLocation W19902208361 @default.
• W1990220836 hasOpenAccess W1990220836 @default.
• W1990220836 hasPrimaryLocation W19902208361 @default.

• next