A Blog About Flowers

November 2008: Winter Wonderland

Wed, 08 Feb 2012 10:22:21 +0000

and i though i was the only one to see it this way

Mutations in the Arabidopsis Homolog of LST8/GÎ²L, a Partner of the Target of Rapamycin Kinase, Impair Plant Growth, Flowering, and Metabolic Adaptation to Long Days.

Wed, 08 Feb 2012 10:22:20 +0000

Mutations in the Arabidopsis Homolog of LST8/GÎ²L, a Partner of the Target of Rapamycin Kinase, Impair Plant Growth, Flowering, and Metabolic Adaptation to Long Days.
Plant Cell. 2012 Feb 3;
Authors: Moreau M, Azzopardi M, ClÃ©ment G, Dobrenel T, Marchive C, Renne C, Martin-Magniette ML, Taconnat L, Renou JP, Robaglia C, Meyer C
Abstract
The conserved Target of Rapamycin (TOR) kinase forms high molecular mass complexes and is a major regulator of cellular adaptations to environmental cues. The Lethal with Sec Thirteen 8/G protein Î² subunit-like (LST8/GÎ²L) protein is a member of the TOR complexes, and two putative LST8 genes are present in Arabidopsis thaliana, of which only one (LST8-1) is significantly expressed. The Arabidopsis LST8-1 protein is able to complement yeast lst8 mutations and interacts with the TOR kinase. Mutations in the LST8-1 gene resulted in reduced vegetative growth and apical dominance with abnormal development of flowers. Mutant plants were also highly sensitive to long days and accumulated, like TOR RNA interference lines, higher amounts of starch and amino acids, including proline and glutamine, while showing reduced concentrations of inositol and raffinose. Accordingly, transcriptomic and enzymatic analyses revealed a higher expression of genes involved in nitrate assimilation when lst8-1 mutants were shifted to long days. The transcriptome of lst8-1 mutants in long days was found to share similarities with that of a myo-inositol 1 phosphate synthase mutant that is also sensitive to the extension of the light period. It thus appears that the LST8-1 protein has an important role in regulating amino acid accumulation and the synthesis of myo-inositol and raffinose during plant adaptation to long days.
PMID: 22307851 [PubMed - as supplied by publisher]

how doe this impact my state

DSC03525

Wed, 08 Feb 2012 10:22:20 +0000

GarethThomasJones has added a photo to the pool:

does anyone know the real story

New Online Software Database

Wed, 08 Feb 2012 10:22:18 +0000

We launched a new website dedicated to free software download for Windows, Mac, Mobile and Linux. Soon you will make a database of tens of thousands of programs, freeware, shareware or demo. All programs will be checked and tested so that their download will be in maximum security from our servers. We are waiting you [...]
if people only knew

Lenox Rutledge Gold Banded Ivory China 20-Piece Dinnerware Set, Service for 4 (Kitchen) newly tagged “flowered”

Wed, 08 Feb 2012 10:22:14 +0000

Lenox Rutledge Gold Banded Ivory China 20-Piece Dinnerware Set, Service for 4 (Kitchen)By Lenox Buy new: $599.95 Customer Rating: First tagged “flowered” by P. Newton “AZ Minis” Customer tags: lenox, flowered, cream, dinnerware, china, fine china
it should be interested what change will this make

Reply to Our top contributors

Wed, 08 Feb 2012 10:22:14 +0000

Tatters:) posted a reply:

Welcome our new top contributors:

D Eickhoff from Hawaii
John Forlonge from Australia, NSW
Russell Cumming from Australia, QLD

Remember – If you click on the blue name – you will see all photos of this member in the group pool.

Please keep posting your tree photos to our group. It is moderated 24/7 and our flickr database is unique. Be part of it!
Unfortunately I have to invite too many photos, including the group members.
We need your support!!
it should be interested what change will this make

November 2008: Winter Wonderland

Sun, 05 Feb 2012 02:09:24 +0000

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Brassinosteroids.

Sun, 05 Feb 2012 02:09:23 +0000

Brassinosteroids.
Arabidopsis Book. 2011;9:e0151
Authors: Clouse SD
Abstract
Brassinosteroids (BRs) are endogenous plant hormones essential for the proper regulation of multiple physiological processes required for normal plant growth and development. Since their discovery more than 30 years ago, extensive research on the mechanisms of BR action using biochemistry, mutant studies, proteomics and genome-wide transcriptome analyses, has helped refine the BR biosynthetic pathway, identify the basic molecular components required to relay the BR signal from perception to gene regulation, and expand the known physiological responses influenced by BRs. These mechanistic advances have helped answer the intriguing question of how BRs can have such dramatic pleiotropic effects on a broad range of diverse developmental pathways and have further pointed to BR interactions with other plant hormones and environmental cues. This chapter briefly reviews historical aspects of BR research and then summarizes the current state of knowledge on BR biosynthesis, metabolism and signal transduction. Recent studies uncovering novel phosphorelays and gene regulatory networks through which BR influences both vegetative and reproductive development are examined and placed in the context of known BR physiological responses including cell elongation and division, vascular differentiation, flowering, pollen development and photomorphogenesis.
PMID: 22303275 [PubMed - in process]

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DSC_9317

Sun, 05 Feb 2012 02:09:22 +0000

linpium has added a photo to the pool:

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New Online Software Database

Sun, 05 Feb 2012 02:09:22 +0000