نتایج جستجو برای: ژن psba

تعداد نتایج: 16479  

Journal: :Molecular biology and evolution 2013
Obed W Odom David L Herrin

Reverse transcription of mRNA is thought to be an important first step in a model that explains certain evolutionary changes within genes, such as the loss of introns or RNA editing sites. In this model, reverse transcription of mRNA produces cDNA molecules that replace part of the parental gene by homologous recombination. In vivo evidence of reverse transcription of physiologically relevant m...

Journal: :Plant physiology 2001
K El Bissati D Kirilovsky

We investigated the influence of light of different wavelengths on the expression of the psbA gene, which encodes the D1 protein of the photosystem II and the psaE gene, which encodes the subunit Psa-E of the photosystem I, in Synechocystis sp PCC 6803. In an attempt to differentiate between a light-sensory and a redox-sensory signaling processes, the effect of orange, blue, and far-red light w...

Journal: :The Journal of Cell Biology 1998
Christopher B. Yohn Amybeth Cohen Cristen Rosch Michael R. Kuchka Stephen P. Mayfield

A set of nuclear mutants of C. reinhardtii were identified that specifically lack translation of the chloroplast-encoded psbA mRNA, which encodes the photosystem II reaction center polypeptide D1. Two of these mutants are deficient in the 47-kD member (RB47) of the psbA RNA-binding complex, which has previously been identified both genetically and biochemically as a putative translational activ...

ژورنال: :رستنیها 2014
فاطمه اکبرزاده روشن اباصلت حسین زاده کلاگر حامد یوسف زاده

شاه بلوط اروپایی (castanea sativa mill.) یکی از گونه های ارزشمند در خطر جنگل­های هیرکانی است. در این تحقیق، استفاده از نشانگرهای مولکولی به عنوان روشی آسان و سریع برای شناسایی جایگاه تاکسونومیکی شاه بلوط­های شمال ایران مورد استفاده قرار گرفت. در این تحقیق، از تمامی رویشگاه­های این گونه در ایران (سه رویشگاه ذکر شده در بخش غربی استان گیلان) نمونه برگ تهیه و بعد از بیومتری، شش پایه انتخاب و ناحیه ...

2011
Todd C. LaJeunesse Daniel J. Thornhill

Ribosomal DNA sequence data abounds from numerous studies on the dinoflagellate endosymbionts of corals, and yet the multi-copy nature and intragenomic variability of rRNA genes and spacers confound interpretations of symbiont diversity and ecology. Making consistent sense of extensive sequence variation in a meaningful ecological and evolutionary context would benefit from the application of a...

Journal: :Biotechnology and bioengineering 2015
Javier A Gimpel James S Hyun Nathan G Schoepp Stephen P Mayfield

Recombinant protein production in microalgae chloroplasts can provide correctly folded proteins in significant quantities and potentially inexpensive costs compared to other heterologous protein production platforms. The best results have been achieved by using the psbA promoter and 5' untranslated region (UTR) to drive the expression of heterologous genes in a psbA-deficient, non-photosyntheti...

Journal: :Journal of bacteriology 2000
C Ambrosi L Leoni L Putignani N Orsi P Visca

Pseudobactin(B10), the fluorescent siderophore produced by the rhizobacterium Pseudomonas strain B10, contains the hydroxamate ligand D-N(5)-hydroxyornithine (D-N(5)-OH-Orn). We cloned the L-Orn N(5)-oxygenase (psbA) gene from a genomic library of Pseudomonas strain B10 and demonstrated that PsbA is involved in the conversion of L-Orn to its N(5)-OH derivative. PsbA shows significant similarity...

2013
Thanate Juntadech Kittisak Yokthongwattana Sithichoke Tangphatsornruang Yun-Kiam Yap Gerd Katzenmeier Chanan Angsuthanasombat

Unicellular micro-alga Chlamydomonas reinhardtii has been recognized as a promising host for expressing recombinant proteins albeit its limited utility due to low levels of heterologous protein expression. Here, transcription of the 3.4-kb mosquito-larvicidal cry4Ba gene from Bacillus thuringiensis in transgenic C. reinhardtii chloroplasts under control of the promoter and 5'-untranslated regio...

Journal: :Plant physiology 2000
M Alfonso I Perewoska D Kirilovsky

We investigated the role of the redox state of the photosynthetic and respiratory electron transport chains on the regulation of psbA expression in Synechocystis PCC 6803. Different means to modify the redox state of the electron carriers were used: (a) dark to oxidize the whole electron transport chain; (b) a shift from dark to light to induce its reduction; (c) the chemical interruption of th...

Journal: :Plant physiology 2012
Sabine Link Kerstin Engelmann Karin Meierhoff Peter Westhoff

The related proteins D1 and D2 together build up the photosystem II reaction center. Synthesis of D1 (PsbA) is highly regulated in all photosynthetic organisms. The mechanisms and specific protein factors involved in controlled expression of the psbA gene in higher plants are highly elusive. Here, we report on the identification of a chloroplast-located protein, HCF244 (for high chlorophyll flu...

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