Abstract:
:The intrinsic chlorophyll-protein CP 47 is a component of photosystem II which functions in both light-harvesting and oxygen evolution. The large extrinsic loop E of this protein has been shown to interact with the oxygen-evolving site. Previously, Vermaas and coworkers have produced a number of deletions within loop E which yielded mutants which were unable to grow photoautotrophically and which could not evolve oxygen at normal rates. During the course of our site-directed mutagenesis program in Synechocystis 6803, we have altered all of the conserved charged residues which were present within six of these deletions. All ten of these mutants were photoautotrophic and evolved oxygen at normal rates. We speculate that the severe phenotypes of the deletion mutants observed by Vermaas and coworkers is due to large structural perturbations in the extrinsic loop E of CP 47.
journal_name
Plant Mol Bioljournal_title
Plant molecular biologyauthors
Putnam-Evans C,Wu J,Bricker TMdoi
10.1007/BF00041405subject
Has Abstractpub_date
1996-12-01 00:00:00pages
1191-5issue
6eissn
0167-4412issn
1573-5028journal_volume
32pub_type
杂志文章abstract:KEY MESSAGE:The crop yield losses induced by phytoviruses are mainly associated with the symptoms of the disease. DNA modifications as methylation can modulate the information coded by the sequence, process named epigenetics. Viral infection can change the expression patterns of different genes linked to defenses and s...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-020-01051-6
更新日期:2020-11-01 00:00:00
abstract::The photosynthetic apparatus of plant chloroplasts contains two photosystems, termed Photosystem I (PSI) and Photosystem II (PSII). Both PSI and PSII contain several types of chlorophyll a/b-binding (CAB) polypeptides, at least some of which are structurally related. It has been previously shown that multiple genes en...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00015643
更新日期:1987-03-01 00:00:00
abstract:KEY MESSAGE:KEG is involved in mediating the proteasome-dependent degradation of FDH, a stress-responsive enzyme. The UPS may function to suppress FDH mediated stress responses under favorable growth conditions. Formate dehydrogenase (FDH) has been studied in bacteria and yeasts for the purpose of industrial applicatio...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-017-0691-8
更新日期:2018-02-01 00:00:00
abstract::We have compared physical and genetic maps of the region around the legJ gene in pea. In this vicinity there are four B-type legumin genes, arranged as two close pairs. The detection of a recombination event within this gene cluster allows the orientation of this group of genes within the surrounding linkage group to ...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00038999
更新日期:1993-04-01 00:00:00
abstract::DNA microsatellites are ubiquitously present in eukaryotic genomes and represent a vast source of highly informative markers. We describe in this article a (GGC)n microsatellite which is widely distributed in eukaryotic genomes. Using polymerase chain reaction (PCR) techniques and DNA sequencing, we demonstrated for t...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00014544
更新日期:1993-02-01 00:00:00
abstract::We report the successful combination of mRNA differential-display reverse-transcription PCR (DDRT-PCR) and 5'-rapid amplification of cDNA ends (5'-RACE) in order to isolate full-length cDNAs corresponding to genes activated in tobacco cells treated with cryptogein within 60 min. Cloning and sequencing of two cDNAs, ca...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1005833216479
更新日期:1997-10-01 00:00:00
abstract::Maize and tomato cDNA clones have been hybridized in Southern blotting experiments to plant genomic DNA prepared from different lines to detect restriction fragment polymorphisms (RFPs). In maize we have found that a high degree of genetic variability is present, even among domestic inbred lines. Most randomly chosen ...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00020093
更新日期:1985-03-01 00:00:00
abstract:KEY MESSAGE:Overexpression of BoMYB29 gene up-regulates the aliphatic glucosinolate pathway in Brassica oleracea plants increasing the production of the anti-cancer metabolite glucoraphanin, and the toxic and pungent sinigrin. Isothiocyanates, the bio-active hydrolysis products of glucosinolates, naturally produced by ...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-019-00890-2
更新日期:2019-09-01 00:00:00
abstract::It has been demonstrated that insertion of foreign DNA into mammalian genome can profoundly alter the patterns of DNA methylation and transcription of the host genome. Introgression of alien DNA into plant genomes through sexual crossing and genetic engineering are commonly used in breeding, but it is not known if pla...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/B:PLAN.0000038270.48326.7a
更新日期:2004-03-01 00:00:00
abstract::Using a fruit-specific cDNA as a probe we isolated and sequenced the two corresponding homologous genes (Sn-1 and Sn-2) of the bell pepper (Capsicum annuum) genome. Both genes have a single intron and numerous unusual long inverted repeat sequences. The introns share 87% homology and Sn-2 contains one 450 bp additiona...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00032663
更新日期:1995-09-01 00:00:00
abstract::A cDNA encoding CYP79B1 has been isolated from Sinapis alba. CYP79B1 from S. alba shows 54% sequence identity and 73% similarity to sorghum CYP79A1 and 95% sequence identity to the Arabidopsis T42902, assigned CYP79B2. The high identity and similarity to sorghum CYP79A1, which catalyses the conversion of tyrosine to p...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1006064202774
更新日期:1998-11-01 00:00:00
abstract::Salicylic acid (SA) is known to play an important role in the interaction between plant and micro-organisms, both symbiotic and pathogen. In particular, high levels of SA block nodule formation and mycorrhizal colonization in plants. A mutant of Lotus japonicus, named Ljsym4-2, was characterized as unable to establish...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-009-9585-8
更新日期:2010-03-01 00:00:00
abstract::Elucidating the regulatory mechanisms of plant organ formation is an important component of plant developmental biology and will be useful for crop improvement applications. Plant organ formation, or organogenesis, occurs when a group of primordial cells differentiates into an organ, through a well-orchestrated series...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-006-0054-3
更新日期:2006-08-01 00:00:00
abstract::In this study a size selected genomic library from Quercus petraea was screened for (GA/CT)n-microsatellite sequences. The resulting loci were analysed by PCR for their usefulness as molecular markers in Q. petraea and Q. robur. 17 out of 52 tested primer pairs resulted in the amplification of a polymorphic single-loc...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1005736722794
更新日期:1997-04-01 00:00:00
abstract::Calcium-dependent protein kinases (CDPKs) are crucial sensors of calcium concentration changes in plant cells under diverse endogenous and environmental stimuli. We identified 20 CDPK genes from bread wheat and performed a comprehensive study on their structural, functional and evolutionary characteristics. Full-lengt...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-007-9281-5
更新日期:2008-03-01 00:00:00
abstract::Dehiscence of oilseed rape pods, commonly known as pod shatter, is a process of agronomic importance that results in seed loss causing yield reductions and carry-over of the crop into the following growing season. In an effort to understand the mechanisms underlying this developmental event, the changes in gene expres...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00040589
更新日期:1994-01-01 00:00:00
abstract::The large number of mitogen-activated protein (MAP) kinase genes identified to date in plants suggests that their encoded proteins have a wide array of functions in development and physiological responses, as has been indicated by studies on the factors which lead to the activation of these kinases. Signalling pathway...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1010645431133
更新日期:2001-04-01 00:00:00
abstract::The amounts of a 1.9 kb mitochondrial plasmid relative to sequences in another mitochondrial DNA replicon and also to nuclear ribosomal DNA sequences have been compared in maize leaves and anthers. Similar comparisons have been made between plants with the same nuclear genotype but containing normal, S, or T cytoplasm...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF02418241
更新日期:1985-07-01 00:00:00
abstract::Two subtractive cDNA libraries were developed to study genes associated with bud dormancy (reverse library) and initiation of shoot growth (forward library) in leafy spurge. To identify unique sequences represented in each library, 15744 clones were screened to reduce the level of redundancy within both libraries. A t...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-006-0015-x
更新日期:2006-05-01 00:00:00
abstract::We have cloned and sequenced a full-length cDNA from barley (Hordeum vulgare L.) seeds encoding the bifunctional α-amylase/subtilisin inhibitor (BASI). The nucleotide sequence predicts an open reading frame coding for a protein of 203 amino acids. The first 22 amino acids exhibit the sequence characteristic of a signa...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00044158
更新日期:1989-06-01 00:00:00
abstract::Plant microRNAs (miRNAs) act as negative regulators of gene expression by slicing target transcripts or inhibiting translation. A number of miRNAs play important roles in development. In order to investigate the potential function of miRNAs during male gametogenesis in rice, we obtained both gene and small RNA express...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-012-9898-x
更新日期:2012-09-01 00:00:00
abstract::Isolation of cDNAs encoding individual members of a gene family is essential for assessing their role in a biological phenomenon. However, this process is often laborious and slow due to highly conserved protein-coding region that interferes with the isolation of the individual members. Identification of gene-specific...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00042230
更新日期:1996-06-01 00:00:00
abstract::A cDNA clone was isolated by differential hybridization from a library prepared from barley leaves inoculated with the fungus Blumeria graminis f.sp. hordei (Bgh). The open reading frame of the insert (designated HvCHS2) encoded a polypeptide with 72-79% identity to chalcone synthases (CHS) and 65-68% identity to stil...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1006031822141
更新日期:1998-07-01 00:00:00
abstract::cDNA clones encoding the precursor of the Rieske FeS protein of the chloroplast thylakoid membrane have been isolated from a pea leaf cDNA library in lambda gt 11, following screening with antibodies to purified pea chloroplast Rieske FeS protein. The longest cDNA insert of 880 bp encodes a polypeptide of 230 amino ac...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/BF00040617
更新日期:1992-11-01 00:00:00
abstract::Lysine residue 9 of histone H3 can either be acetylated or mono-, di-, or tri-methylated. These epigenetic states have a diverse impact on regulating gene transcriptional activity and chromatin organization. H3K9ac is invariably correlated with transcriptional activation, whereas H3K9me2 has been reported to be mainly...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-009-9594-7
更新日期:2010-04-01 00:00:00
abstract:KEY MESSAGE:The expression of MdBBX10 was significantly induced by different stresses and ABA treatments. Overexpression of MdBBX10 in Arabidopsis significantly enhanced abiotic stresses tolerance by ABA signalling. The roles of B-box domain(s) containing proteins (BBXs) in regulation of flowering and light morphogenes...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-019-00828-8
更新日期:2019-03-01 00:00:00
abstract::Persian walnut (Juglans regia L.) is an economically important tree for its nut crop and timber. To gain insight into the structure and evolution of the walnut genome, we constructed two bacterial artificial chromosome (BAC) libraries, containing a total of 129,024 clones, from in vitro-grown shoots of J. regia cv. Ch...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-011-9849-y
更新日期:2012-01-01 00:00:00
abstract::We describe the isolation and characterization of maize cDNAs that are transcribed from a small gene family and encode a novel group of receptor-like kinases (RLKs). The distinctive extracellular domain of these novel RLKs includes a unique number and arrangement of leucine-rich repeats (LRRs), a proline-rich region (...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1006012530241
更新日期:1998-07-01 00:00:00
abstract::RNA editing is one of the post-transcriptional processes that commonly occur in plant plastids and mitochondria. In Arabidopsis, 34 C-to-U RNA editing events, affecting transcripts of 18 plastid genes, have been identified. Here, we examined the editing and expression of these transcripts in different organs, and in g...
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1007/s11103-013-0069-5
更新日期:2013-07-01 00:00:00
abstract::The cell cycle of eukaryotes is tightly regulated through the activity of cyclin-dependent kinases. The Arabidopsis thaliana CDKA;1 (CDC2aAt) gene is thought to encode such a protein kinase, since it is actively transcribed in proliferating tissues and can complement defects in the Schizosaccharomyces pombe cdc2 gene....
journal_title:Plant molecular biology
pub_type: 杂志文章
doi:10.1023/a:1010665831955
更新日期:2001-05-01 00:00:00