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Genorm 18s

Lusheng Xin, Bowen Huang, Changming Bai, Chongming Wang
Ostreid herpesvirus-1 (OsHV-1) presents interspecies transmission among bivalves. Recently, events of mass mortalities of ark clams (Scapharca broughtonii) infected with OsHV-1 have been recorded. To accurately assess the gene responding patterns of ark clams post OsHV-1 infection, constant stable housekeeping genes (HKGs) are needed as internal control to normalize raw mRNA expression data. In this study, ten candidate HKGs were selected, including 18S rRNA (18S), beta-actin (ACT), Glyceraldehyde 3-phosphate dehydrogenase (GAPDH), NADH dehydrogenase subunit (NADH), Elongation factor-1a (EF-1a), Elongation factor-1β (EF-1β), Elongation factor-1γ (EF-1γ), Ribosomal protein L7 (RL7), Ribosomal protein L15 (RL15) and Ribosomal protein S18 (S18)...
April 30, 2018: Journal of Invertebrate Pathology
Bo Wang, Huihui Du, Zhengpei Yao, Cai Ren, Li Ma, Jiao Wang, Hua Zhang, Hao Ma
Haloxylon ammodendron plays an important role in maintaining the structure and function of the entire ecosystem where it grows. No suitable reference genes have been reported in H. ammodendron plants to date. In this study, a total of 8 reference genes ( 18S , ACT1 , ACT7 , UBC18 , TUA5 , GAPDH , EF - 1α and UBQ10 ) were selected from the available trancriptome database, and the expression stability of these 8 candidate genes was validated under different abiotic stress with three different statistical algorithms (geNorm, NormFinder and BestKeeper)...
May 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
Viviane S Moreira, Virgínia L F Soares, Raner J S Silva, Aurizangela O Sousa, Wagner C Otoni, Marcio G C Costa
Bixa orellana L., popularly known as annatto, produces several secondary metabolites of pharmaceutical and industrial interest, including bixin, whose molecular basis of biosynthesis remain to be determined. Gene expression analysis by quantitative real-time PCR (qPCR) is an important tool to advance such knowledge. However, correct interpretation of qPCR data requires the use of suitable reference genes in order to reduce experimental variations. In the present study, we have selected four different candidates for reference genes in B...
May 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
Chunyan Tu, Tieshuai Du, Chengchen Shao, Zengjia Liu, Liliang Li, Yiwen Shen
The precise estimation of postmortem interval (PMI) is a critical step in death investigation of forensic cases. Detecting the degradation of RNA in tissues by real time quantitative polymerase chain reaction (RT-qPCR) technology provides a new theoretical basis for estimation of PMI. However, most commonly used reference genes degrade over time, while previous studies seldom consider this when selecting suitable reference genes for the estimation of PMI. Studies have shown microRNAs (miRNAs) are very stable and circular RNAs (circRNAs) have recently emerged as a novel class of RNAs with high stability...
April 24, 2018: Forensic Science, Medicine, and Pathology
Qian Yang, Jinyao Li, Jing Shen, Yufang Xu, Hongjie Liu, Wei Deng, Xuefeng Li, Mingqi Zheng
D. sophia is one of the most notorious broadleaf weed in China, and has evolved extremely high resistance to ALS-inhibiting herbicide tribenuron-methyl. The target-site resistance due to ALS gene mutations was known well, while the non-target-site resistance is not yet well-characterized. Metabolic resistance, which is conferred by enhanced rates of herbicide metabolism, is the most important NTSR. To explore the mechanism of metabolic resistance underlying resistant (R) D. sophia plants, tribenuron-methyl uptake and metabolism levels, qPCR reference gene stability, and candidate P450 genes expression patterns were investigated...
April 13, 2018: Journal of Agricultural and Food Chemistry
Hong-Bo Li, Chang-Geng Dai, Chang-Rong Zhang, Yong-Fu He, Hai-Yan Ran, Shi-Hong Chen
The oriental armyworm, Mythimna separata, is a major insect pest in China and other Asian countries. Unfortunately, suitable reference genes for quantitative real-time PCR (qRT-PCR) have not been previously identified in M. separata for normalizing target gene expression. In this study, we evaluated the expression stability of eight candidate genes (18S, ACT, EF1-α, GAPDH, RPS7, RPS13, RPL32 and TUB) in M. separata using the comparative ΔCt method, BestKeeper, Normfinder geNorm and ReFinder, a comprehensive software platform...
2018: PloS One
Xitong Fei, Qianqian Shi, Tuxi Yang, Zhaoxue Fei, Anzhi Wei
Real-time reverse transcription quantitative PCR has become a common method for studying gene expression, however, the optimal selection of stable reference genes is a prerequisite for obtaining accurate quantification of transcript abundance. Suitable reference genes for RT-qPCR have not yet been identified for Chinese prickly ash ( Zanthoxylum bungeanum Maxim.). Chinese prickly ash is the source of an important food seasoning in China. In recent years, Chinese prickly ash has also been developed as a medicinal plant...
March 30, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Tangchun Zheng, Zhilin Chen, Yiqian Ju, Han Zhang, Ming Cai, Huitang Pan, Qixiang Zhang
Quantitative real-time polymerase chain reaction (qRT-PCR) is a prevalent method for gene expression analysis, depending on the stability of the reference genes for data normalization. Lagerstroemia indica and L. speciosa are popular ornamental plants which are famous for the long flowering period. However, no systematic studies on reference genes in Lagerstroemia have yet been conducted. In the present study, we selected nine candidate reference genes (GAPDH, TUA, TUB, 18S, RPII, EF-1α, ATC, EIF5A and CYP) and evaluated their expression stability in different tissues during floral development of L...
2018: PloS One
Chaoqiong Liang, Jianjun Hao, Yan Meng, Laixin Luo, Jianqiang Li
Cucumber green mottle mosaic virus (CGMMV) is an economically important pathogen and causes significant reduction of both yield and quality of cucumber (Cucumis sativus). Currently, there were no satisfied strategies for controlling the disease. A better understanding of microRNA (miRNA) expression related to the regulation of plant-virus interactions and virus resistance would be of great assistance when developing control strategies for CGMMV. However, accurate expression analysis is highly dependent on robust and reliable reference gene used as an internal control for normalization of miRNA expression...
2018: PloS One
Sheng Wang, Jianqing Wang, Xiongwen Lv
Investigations of hepatic gene expression are crucial for determining the molecular factors involved in acute alcoholic liver injury. The results of liver molecular investigations may reveal etiologically important genomic alterations. Therefore, it is necessary to normalize gene expression data to identify stable genes, which may be used as a reference under different experimental conditions. The aim of the present study was to apply reverse transcription‑quantitative polymerase chain reaction analysis and use analysis software to investigate the expression stability of candidate reference genes in hepatic tissues from mice with acute alcoholic liver injury...
June 2018: International Journal of Molecular Medicine
Xiaowei Yang, Huipeng Pan, Ling Yuan, Xuguo Zhou
Harmonia axyridis is a voracious predator, a biological control agent, and one of the world most invasive insect species. The advent of next-generation sequencing platforms has propelled entomological research into the genomics and post-genomics era. Real-time quantitative PCR (RT-qPCR), a primary tool for gene expression analysis, is a core technique governs the genomic research. The selection of internal reference genes, however, can significantly impact the interpretation of RT-qPCR results. The overall goal of this study is to identify the reference genes in the highly invasive H...
February 9, 2018: Scientific Reports
Yingbo Kang, Zhuomin Wu, De Cai, Binger Lu
BACKGROUND: Real-time reverse transcription quantitative polymerase chain reaction (RT-qPCR) is a critical tool for evaluating the levels of mRNA transcribed from genes. Reliable RT-qPCR results largely depend on normalization to suitable reference genes. Middle cerebral artery occlusion (MCAO) and oxygen-glucose deprivation/reoxygenation (OGD/R) are models that are commonly used to study ischemic stroke. However, the proper reference genes for RNA analysis in these two models have not yet been determined...
February 1, 2018: BMC Neuroscience
Qiuxu Liu, Xiao Qi, Haidong Yan, Linkai Huang, Gang Nie, Xinquan Zhang
To select the most stable reference genes in annual ryegrass ( Lolium multiflorum ), we studied annual ryegrass leaf tissues exposed to various abiotic stresses by qRT-PCR and selected 11 candidate reference genes, i.e., 18S rRNA, E2, GAPDH, eIF4A, HIS3, SAMDC, TBP-1, Unigene71, Unigene77, Unigene755, and Unigene14912. We then used GeNorm, NormFinder, and BestKeeper to analyze the expression stability of these 11 genes, and used RefFinder to comprehensively rank genes according to stability. Under different stress conditions, the most suitable reference genes for studies of leaf tissues of annual ryegrass were different...
January 16, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Satnam Singh, Mridula Gupta, Suneet Pandher, Gurmeet Kaur, Pankaj Rathore, Subba Reddy Palli
Amrasca biguttula biguttula (Ishida) commonly known as cotton leafhopper is a severe pest of cotton and okra. Not much is known on this insect at molecular level due to lack of genomic and transcriptomic data. To prepare for functional genomic studies in this insect, we evaluated 15 common housekeeping genes (Tub, B-Tub, EF alpha, GADPH, UbiCF, RP13, Ubiq, G3PD, VATPase, Actin, 18s, 28s, TATA, ETF, SOD and Cytolytic actin) during different developmental stages and under starvation stress. We selected early (1st and 2nd), late (3rd and 4th) stage nymphs and adults for identification of stable housekeeping genes using geNorm, NormFinder, BestKeeper and RefFinder software...
2018: PloS One
Xiaohua Xia, Weiran Huo, Ruyan Wan, Xiaopei Xia, Qiyan Du, Zhongjie Chang
Quantitative real-time reverse transcription-polymerase chain reaction (qRT-PCR) is a well-known method to quantify gene expression by comparing with the reference genes. Generally, housekeeping genes were set as references, as for their stable expression in varying conditions. Here, we try to evaluate few of such genes to identify suitable housekeeping genes as references for qRT-PCR analysis of gene expression in Misgurnus anguillicaudatus. This study evaluated the expression of four commonly used housekeeping genes, i...
December 2017: Journal of Genetics
X J Chen, X Q Zhang, S Huang, Z J Cao, Q W Qin, W T Hu, Y Sun, Y C Zhou
Golden pompano (Trachinotus ovatus) is an important economically fish species. In this study, with an aim to identify reliable reference genes for quantitative real-time PCR (qRT-PCR) in golden pompano, we evaluated the expression stability of eight housekeeping genes in the presence and absence of poly I:C stimulation in eight tissues. The PCR data was analyzed by geNorm and NormFinder algorithms. The results showed that the expression of all the examined genes exhibited tissue-dependent variations. When under normal physiological condition, geNorm and NormFinder identified B2M and 18S as suitable genes...
September 26, 2017: Polish Journal of Veterinary Sciences
Dongchao Xu, Ajuan Liu, Xuan Wang, Ming Zhang, Zunyi Zhang, Zhou Tan, Mengsheng Qiu
Accurate quantification of gene expression is fundamental for understanding the molecular, genetic and functional bases of tissue development and diseases. Quantitative real-time PCR (qPCR) is now the most widely used method of quantifying gene expression due to its simplicity, specificity, sensitivity, and wide quantification range. The use of appropriate reference genes to ensure accurate normalization is crucial for the correct quantification of gene expression from the early development, maturation, aging to injury processes in the central nervous system (CNS)...
January 2018: Developmental Neurobiology
Rahul Gopalam, Sunny D Rupwate, Ajay W Tumaney
Quantitative real-time polymerase chain reaction (qRT-PCR) has become the most popular choice for gene expression studies. For accurate expression analysis, it is pertinent to select a stable reference gene to normalize the data. It is now known that the expression of internal reference genes varies considerably during developmental stages and under different experimental conditions. For Salvia hispanica, an economically important oilseed crop, there are no reports of stable reference genes till date. In this study, we chose 13 candidate reference genes viz...
2017: PloS One
Cristina E Molina, Eric Jacquet, Prishila Ponien, Christian Muñoz-Guijosa, Istvan Baczkó, Lars S Maier, Patrick Donzeau-Gouge, Dobromir Dobrev, Rodolphe Fischmeister, Anne Garnier
Aims: Quantitative real-time RT-PCR (RT-qPCR) has become the method of choice for mRNA quantification, but requires an accurate normalization based on the use of reference genes showing invariant expression across various pathological conditions. Only few data exist on appropriate reference genes for the human heart. The objective of this study was to determine a set of suitable reference genes in human atrial and ventricular tissues, from right and left cavities in control and in cardiac diseases...
February 1, 2018: Cardiovascular Research
Jun Xiao, Xiaowei Li, Juan Liu, Xiu Fan, Huifen Lei, Cuiying Li
BACKGROUND: Tibetans have lived at high altitudes for thousands of years, and they have unique physiological traits that enable them to tolerate this hypoxic environment. However, the genetic basis of these traits is still unknown. As a sensitive and highly efficient technique, RT-qPCR is widely used in gene expression analyses to provide insight into the molecular mechanisms underlying environmental changes. However, the quantitative analysis of gene expression in blood is limited by a shortage of stable reference genes for the normalization of mRNA levels...
2017: PeerJ
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