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Identification of potential internal control genes for real-time PCR analysis during stress response in Pyropia haitanensis
Wang Xia1,2,4; Feng Jianhua1; Huang Aiyou1,2,3; He Linwen1,2,3; Niu Jianfeng1,2,3; Wang Guangce1,2,3
2017-11-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume35Issue:6Pages:1432-1441
SubtypeArticle
AbstractPyropia haitanensis has prominent stress-resistance characteristics and is endemic to China. Studies into the stress responses in these algae could provide valuable information on the stress-response mechanisms in the intertidal Rhodophyta. Here, the effects of salinity and light intensity on the quantum yield of photosystem II in Py. haitanensis were investigated using pulse-amplitude-modulation fluorometry. Total RNA and genomic DNA of the samples under different stress conditions were isolated. By normalizing to the genomic DNA quantity, the RNA content in each sample was evaluated. The cDNA was synthesized and the expression levels of seven potential internal control genes were evaluated using qRT-PCR method. Then, we used geNorm, a common statistical algorithm, to analyze the qRT-PCR data of seven reference genes. Potential genes that may constantly be expressed under different conditions were selected, and these genes showed stable expression levels in samples under a salinity treatment, while tubulin, glyceraldehyde-3-phosphate dehydrogenase and actin showed stability in samples stressed by strong light. Based on the results of the pulse amplitude-modulation fluorometry, an absolute quantification was performed to obtain gene copy numbers in certain stress-treated samples. The stably expressed genes as determined by the absolute quantification in certain samples conformed to the results of the geNorm screening. Based on the results of the software analysis and absolute quantification, we proposed that elongation factor 3 and 18S ribosomal RNA could be used as internal control genes when the Py. haitanensis blades were subjected to salinity stress, and that alpha-tubulin and 18S ribosomal RNA could be used as the internal control genes when the stress was from strong light. In general, our findings provide a convenient reference for the selection of internal control genes when designing experiments related to stress responses in Py. haitanensis.
KeywordReal-time Quantitative Pcr Housekeeping Genes Internal Control Genes Stress Responding Pyropia Haitanensis
DOI10.1007/s00343-017-6005-9
Indexed BySCI
Language英语
WOS IDWOS:000415810900014
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/143272
Collection实验海洋生物学重点实验室
研究生部
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Nantong Branch, Inst Oceanol, Nantong 226006, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationKey Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang Xia,Feng Jianhua,Huang Aiyou,et al. Identification of potential internal control genes for real-time PCR analysis during stress response in Pyropia haitanensis[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(6):1432-1441.
APA Wang Xia,Feng Jianhua,Huang Aiyou,He Linwen,Niu Jianfeng,&Wang Guangce.(2017).Identification of potential internal control genes for real-time PCR analysis during stress response in Pyropia haitanensis.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(6),1432-1441.
MLA Wang Xia,et al."Identification of potential internal control genes for real-time PCR analysis during stress response in Pyropia haitanensis".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.6(2017):1432-1441.
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