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पृष्ठ 1 से 40 परिणाम
Cytosine methylation is associated with RNA silencing in silenced plants but not with systemic and transitive RNA silencing through grafting.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
RNA silencing is often associated with methylation of the target gene. The DNA methylation level of transgenes was investigated in post-transcriptionally silenced or non-silenced Nicotiana benthamiana carrying either the 5' region (200 or 400 bp) or the entire region of the coat protein gene (CP,
In planta assays involving epigenetically silenced genes reveal inhibition of cytosine methylation by genistein.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
BACKGROUND
Cytosine methylation is involved in epigenetic control of gene expression in a wide range of organisms. An increasing number of examples indicate that changing the frequency of cytosine methylation in the genome is a feasible tool to engineer novel traits in plants. Although demethylating
Methylation-sensitive amplified polymorphism-based genome-wide analysis of cytosine methylation profiles in Nicotiana tabacum cultivars.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
This study aimed to investigate cytosine methylation profiles in different tobacco (Nicotiana tabacum) cultivars grown in China. Methylation-sensitive amplified polymorphism was used to analyze genome-wide global methylation profiles in four tobacco cultivars (Yunyan 85, NC89, K326, and Yunyan 87).
Cadmium stress alters cytosine methylation status and expression of a select set of genes in Nicotiana benthamiana.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
In this paper, we evaluated the genotoxicity of cadmium (Cd) in plants by performing a methylation-sensitive amplification polymorphism (MSAP) on the model plant Nicotiana benthamiana. Among 255 loci examined, 14 genes were found to show altered cytosine methylation patterns in response to Cd
Transcriptional silencing of 35S driven-transgene is differentially determined depending on promoter methylation heterogeneity at specific cytosines in both plus- and minus-sense strands.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
BACKGROUND
De novo DNA methylation triggered by short interfering RNAs is called RNA-directed DNA methylation (RdDM). Transcriptional gene silencing (TGS) through RdDM can be induced using a viral vector. We have previously induced RdDM on the 35S promoter in the greenGeminivirus AL2 and L2 proteins suppress transcriptional gene silencing and cause genome-wide reductions in cytosine methylation.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
Geminiviruses replicate single-stranded DNA genomes through double-stranded intermediates that associate with cellular histone proteins. Unlike RNA viruses, they are subject to RNA-directed methylation pathways that target viral chromatin and likely lead to transcriptional gene silencing (TGS). Here
Faithful inheritance of cytosine methylation patterns in repeated sequences of the allotetraploid tobacco correlates with the expression of DNA methyltransferase gene families from both parental genomes.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The widespread occurrence of epigenetic alterations in allopolyploid species deserves scrutiny that DNA methylation systems may be perturbed by interspecies hybridization and polyploidization. Here we studied the genes involved in DNA methylation in Nicotiana tabacum (tobacco) allotetraploid
A viral satellite DNA vector-induced transcriptional gene silencing via DNA methylation of gene promoter in Nicotiana benthamiana.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
Virus-induced gene silencing (VIGS) has been widely used for plant functional genomics study at the post-transcriptional level using various DNA or RNA viral vectors. However, while virus-induced transcriptional gene silencing (VITGS) via DNA methylation of gene promoter was achieved using several
The AC5 protein encoded by Mungbean yellow mosaic India virus is a pathogenicity determinant that suppresses RNA silencing-based antiviral defenses.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
It is generally accepted that begomoviruses in the family Geminiviridae encode four proteins (from AC1/C1 to AC4/C4) using the complementary-sense DNA as template. Although AC5/C5 coding sequences are increasingly annotated in databases for many begomoviruses, the evolutionary relationships and
[Study on DNA Fourier infrared spectroscopy of three kinds of Nicotiana tabacum L].
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The aim is analyzing genetic reLationship and identifying varieties by detecting DNA differences of three kinds of Nicotiana tabacum L. using Fourier infrared spectrum (FTIR). Results show that DNA FTIR of three kinds of Nicotiana tabacum L. is relatively similar. They all have four obvious
Dynamic changes in the distribution of a satellite homologous to intergenic 26-18S rDNA spacer in the evolution of Nicotiana.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
An approximately 135-bp sequence called the A1/A2 repeat was isolated from the transcribed region of the 26-18S rDNA intergenic spacer (IGS) of Nicotiana tomentosiformis. Fluorescence in situ hybridization (FISH) and Southern blot analysis revealed its occurrence as an independent satellite (termed
NTRS, a new family of highly repetitive DNAs specific for the T1 chromosome of tobacco.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
Species-specific repeated DNAs are important for identifying genomic components of hybrid organisms in plant breeding and in taxonomic studies, and we have previously described the HRS60 and GRS families of highly repetitive DNA sequences in tobacco. Here we describe a new family of highly
Posttranscriptional silencing of reporter transgenes in tobacco correlates with DNA methylation.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
Endogenous plant genes or transgenes can be silenced on introduction of homologous gene sequences. Here we document a reporter gene-silencing event in Nicotiana tabacum that has a distinctive combination of features--i.e., (i) silencing occurs by a posttranscriptional process, (ii) silencing
Aldehyde dehydrogenase plays crucial roles in response to lower temperature stress in Solanum tuberosum and Nicotiana benthamiana
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The aim of this study is to elucidate the role of ALDH2B7a during the response to lower temperature in Solanum tuberosum. This gene was found to have altered intragenic DNA methylation status in our previous reports. A total of 18 orthologs of StALDH2B7a were identified in the S. tuberosum genome,
Determination of 5-methylcytosine from plant DNA by high-performance liquid chromatography.
केवल पंजीकृत उपयोगकर्ता ही लेखों का अनुवाद कर सकते हैं
साइन अप करने के लिए लॉग इन करें
The relative amounts of the five nucleosides (deoxycytidine, 5-methyldeoxycytidine, deoxyadenosine, deoxyguanosine and thymidine) in the DNA of nine plant species, one plant satellite DNA, and one animal species were determined by high performance liquid chromatography. The method allows the clean
विज्ञान द्वारा समर्थित सबसे पूर्ण औषधीय जड़ी बूटी डेटाबेस
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- इंटरएक्टिव जीपीएस नक्शा - स्थान पर टैग जड़ी बूटियों (जल्द ही आ रहा है)
- अपनी खोज से संबंधित वैज्ञानिक प्रकाशन पढ़ें
- उनके प्रभाव से औषधीय जड़ी बूटियों की खोज करें
- अपने हितों को व्यवस्थित करें और समाचार अनुसंधान, नैदानिक परीक्षणों और पेटेंट के साथ अद्यतित रहें
एक लक्षण या बीमारी टाइप करें और जड़ी-बूटियों के बारे में पढ़ें जो मदद कर सकती हैं, एक जड़ी बूटी टाइप करें और बीमारियों और लक्षणों को देखें जिनके खिलाफ इसका उपयोग किया जाता है।
* सभी जानकारी प्रकाशित वैज्ञानिक शोध पर आधारित है
