Floral induction and florigen
Article Abstract:
The induction of flowering among higher plants can follow two regulatory pathways. The first pathway involves the perception of environmental signals such as photoperiods, soil moisture and temperature. The other pathway involves the developmental state of the plant. Among plants that flower in response to photoperiod changes, the hypothesis is that the leaves secrete florigen, a substance or a combination of substances that induces the shoot apical meristem to develop into flowers. This biochemical characteristic of this florigen remains to be elucidated.
Publication Name: Cell
Subject: Biological sciences
ISSN: 0092-8674
Year: 1998
User Contributions:
Comment about this article or add new information about this topic:
The structure of ClpP at 2.3 A resolution suggests a model for ATP-dependent proteolysis
Article Abstract:
Ab initio phasing procedure was utilized to describe the crystal structure of Asp-171, the third component of the caseinolytic Clp protease (ClpP) catalytic triad. Electron density mapping results revealed that ClpP subunits have a unique fold around a conserved serine protease structure. The central proteolytic chamber contained the hydrophilic active sites. It was suggested that CplP mediated the restructuring of substrate access.
Publication Name: Cell
Subject: Biological sciences
ISSN: 0092-8674
Year: 1997
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Fungal lipid accumulation and development of mycelial structures by two arbuscular mycorrhizal fungi. Lipid II-based antimicrobial activity of the lantibiotic plantaricin C
- Abstracts: Distortion of allele frequency distributions provides a test for recent population bottlenecks. High levels of gene flow in bur oak revealed by paternity analysis using microsatellites
- Abstracts: The E. coli signal recognition particle is required for the insertion of a subset of inner membrane proteins. part 2
- Abstracts: Close similarity between Drosophila neurexin IV and mammalian Caspr protein suggests a conserved mechanism for cellular interactions. part 2
- Abstracts: Fat loads and flightlessness in Wilson's Phalaropes. Use of ELISA for determination of plasma prolactin levels in the house wren