1
|
Alirezaei A, Khalili M, Baseri N, Esmaeili S, Mohammadi Damaneh E, Kazeminia S. Molecular detection of Brucella species among aborted small ruminants in southeast Iran. Braz J Microbiol 2024; 55:911-917. [PMID: 37999910 PMCID: PMC10920489 DOI: 10.1007/s42770-023-01191-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/16/2023] [Indexed: 11/25/2023] Open
Abstract
Brucellosis, caused by Brucella bacteria, is a common zoonotic infectious disease with various clinical manifestations in humans and animals. The disease is endemic in human and ruminant populations in Iran, with a particular prevalence in areas where humans have close interactions with livestock. Since domestic animals serve as the primary reservoir for brucellosis, this study aimed to identify the presence of Brucella spp. among aborted small ruminants in southeast Iran. Between 2021 and 2022, aborted fetuses of small ruminants (46 sheep and 4 goats) were collected from Zarand County in the Kerman province. Swab samples from the abomasum contents of these fetuses were obtained and subjected to DNA extraction. The samples were then tested for Brucella spp. detection using the polymerase chain reaction (PCR) method. Out of the 50 aborted fetuses examined, Brucella spp. was detected in 15 (30%) specimens, comprising 13 (28%) sheep and 2 (50%) goats. Species typing revealed the presence of Brucella ovis (6 sheep and 1 goat), Brucella melitensis (6 sheep), and Brucella abortus (1 sheep) among the positive specimens. This cross-sectional study highlights the high prevalence of various Brucella species in samples from small ruminant abortions in southeast Iran. Additionally, the identified Brucella species were not limited to their primary host livestock. These indicated potential cross-species transmission among small ruminants.
Collapse
Affiliation(s)
- Amin Alirezaei
- Department of Pathobiology, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Mohammad Khalili
- Department of Pathobiology, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Neda Baseri
- National Reference Laboratory of Plague, Tularemia and Q Fever, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Akanlu, Kabudar-Ahang, Hamadan, Iran.
- Department of Epidemiology and Biostatics, Pasteur Institute of Iran, Tehran, Iran.
- Department of Bacteriology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Saber Esmaeili
- National Reference Laboratory of Plague, Tularemia and Q Fever, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Akanlu, Kabudar-Ahang, Hamadan, Iran.
- Department of Epidemiology and Biostatics, Pasteur Institute of Iran, Tehran, Iran.
| | - Elham Mohammadi Damaneh
- Department of Pathobiology, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | | |
Collapse
|
2
|
Healey KL, Kibble S, Dubester K, Bell A, Swartzwelder HS. Adolescent intermittent ethanol exposure enhances adult stress effects in male rats. Pharmacol Biochem Behav 2023; 223:173513. [PMID: 36610590 PMCID: PMC10028459 DOI: 10.1016/j.pbb.2022.173513] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 12/27/2022] [Accepted: 12/30/2022] [Indexed: 01/06/2023]
Abstract
Binge patterns of alcohol use, prevalent among adolescents, are associated with a higher probability of developing alcohol use disorders (AUD) and other psychiatric disorders, like anxiety and depression. Additionally, adverse life events strongly predict AUD and other psychiatric disorders. As such, the combined fields of stress and AUD have been well established, and animal models indicate that both binge-like alcohol exposure and stress exposure elevate anxiety-like behaviors. However, few have investigated the interaction of adolescent intermittent ethanol (AIE) and adult stressors. We hypothesized that AIE would increase vulnerability to restraint-induced stress (RS), manifested as increased anxiety-like behavior. After AIE exposure, in adulthood, animals were tested on forced swim (FST) and saccharin preference (SP) and then exposed to either RS (90 min/5 days) or home-cage control. Twenty-four hours after the last RS session, animals began testing on the elevated plus maze (EPM), and were re-tested on FST and SP. A separate group of animals were sacrificed in adulthood after AIE and RS, and brains were harvested for immunoblot analysis of dorsal and ventral hippocampus. Consistent with previous reports, AIE had no significant effect on closed arm time in the EPM (anxiety-like behavior). However, in male rats the interaction of AIE and adult RS increased time spent in the closed arms. No effect was observed among female animals. AIE and RS-specific alterations were found in glial and synaptic markers (GLT-1, FMRP and PSD-95) in male animals. These findings indicate AIE has sex-specific effects on both SP and the interaction of AIE and adult RS, which induces a propensity toward anxiety-like behavior in males. Also, AIE produces persistent hippocampal deficits that may interact with adult RS to cause increased anxiety-like behaviors. Understanding the mechanisms behind this AIE-induced increase in stress vulnerability may provide insight into treatment and prevention strategies for alcohol use disorders.
Collapse
Affiliation(s)
- Kati L Healey
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27710, United States of America.
| | - Sandra Kibble
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27710, United States of America
| | - Kira Dubester
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27710, United States of America
| | - Amelia Bell
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27710, United States of America
| | - H S Swartzwelder
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27710, United States of America
| |
Collapse
|
3
|
Liang J, Chen R, Zhang F, Wang Q, Yang Y, Lv M, Yan S, Gao S. Full-length chloroplast genome of Dongxiang wild rice reveals small single-copy region switching. FRONTIERS IN PLANT SCIENCE 2022; 13:929352. [PMID: 36247578 PMCID: PMC9559570 DOI: 10.3389/fpls.2022.929352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 09/12/2022] [Indexed: 06/16/2023]
Abstract
Background Plant chloroplast DNA (cpDNA) typically has a circular structure, including a large single-copy region (LSC), a small single-copy region (SSC) and two inverted repeats (IR1 and IR2). The organization of these four elementary regions LSC-IR1-SSC-IR2 is highly conserved across all plant cpDNAs. Very few structural variations (SVs) occurring at the elementary-region level have been reported. Results In the present study, we assembled the full-length cpDNA of Dongxiang wild rice line 159 (DXWR159). Using the long PacBio subreads, we discovered a large inversion of SSC and a large duplication of IR in DXWR159 cpDNAs. Significantly, we reported for the first time forward and reverse SSCs of cpDNAs in similar proportions and named the frequent inversion of a whole SSC as SSC switching. Conclusions Our study helps researchers to correctly assemble the chloroplast genomes. Our recombination model explained the formation of large SVs in cpDNAs and provided insights into a novel scientific question that if there are common mechanisms in the formation or translocation of all kinds of transposon-like elements (TLEs). We propose that: (1) large inversion is the most accepted mutation type of SVs in cpDNAs; (2) SSC switching ubiquitous occurs in plant cpDNAs; and (3) further investigation of molecular mechanism underlying SSC switching may reveal new driving forces for large SVs.
Collapse
Affiliation(s)
| | - Rui Chen
- Institute of Crop Germplasm and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin, China
- Tianjin Institute of Crop Research, Tianjin Academy of Agricultural Sciences, Tianjin, China
| | - Fantao Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang, China
| | - Qian Wang
- Institute of Crop Germplasm and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin, China
| | - Yingxia Yang
- Institute of Crop Germplasm and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin, China
| | - Mingjie Lv
- Institute of Crop Germplasm and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin, China
| | - Shuangyong Yan
- Tianjin Institute of Crop Research, Tianjin Academy of Agricultural Sciences, Tianjin, China
| | - Shan Gao
- College of Life Sciences, Nankai University, Tianjin, China
| |
Collapse
|
4
|
Chang J, Bei J, Shao Q, Wang H, Fan H, Yau TO, Bu W, Ruan J, Wei D, Gao S. Full-Length Genome of an Ogataea polymorpha Strain CBS4732 ura3Δ Reveals Large Duplicated Segments in Subtelomeric Regions. Front Microbiol 2022; 13:855666. [PMID: 35464988 PMCID: PMC9019687 DOI: 10.3389/fmicb.2022.855666] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 02/25/2022] [Indexed: 11/18/2022] Open
Abstract
Background Currently, methylotrophic yeasts (e.g., Pichia pastoris, Ogataea polymorpha, and Candida boindii) are subjects of intense genomics studies in basic research and industrial applications. In the genus Ogataea, most research is focused on three basic O. polymorpha strains-CBS4732, NCYC495, and DL-1. However, the relationship between CBS4732, NCYC495, and DL-1 remains unclear, as the genomic differences between them have not be exactly determined without their high-quality complete genomes. As a nutritionally deficient mutant derived from CBS4732, the O. polymorpha strain CBS4732 ura3Δ (named HU-11) is being used for high-yield production of several important proteins or peptides. HU-11 has the same reference genome as CBS4732 (noted as HU-11/CBS4732), because the only genomic difference between them is a 5-bp insertion. Results In the present study, we have assembled the full-length genome of O. polymorpha HU-11/CBS4732 using high-depth PacBio and Illumina data. Long terminal repeat retrotransposons (LTR-rts), rDNA, 5′ and 3′ telomeric, subtelomeric, low complexity and other repeat regions were exactly determined to improve the genome quality. In brief, the main findings include complete rDNAs, complete LTR-rts, three large duplicated segments in subtelomeric regions and three structural variations between the HU-11/CBS4732 and NCYC495 genomes. These findings are very important for the assembly of full-length genomes of yeast and the correction of assembly errors in the published genomes of Ogataea spp. HU-11/CBS4732 is so phylogenetically close to NCYC495 that the syntenic regions cover nearly 100% of their genomes. Moreover, HU-11/CBS4732 and NCYC495 share a nucleotide identity of 99.5% through their whole genomes. CBS4732 and NCYC495 can be regarded as the same strain in basic research and industrial applications. Conclusion The present study preliminarily revealed the relationship between CBS4732, NCYC495, and DL-1. Our findings provide new opportunities for in-depth understanding of genome evolution in methylotrophic yeasts and lay the foundations for the industrial applications of O. polymorpha CBS4732, NCYC495, DL-1, and their derivative strains. The full-length genome of O. polymorpha HU-11/CBS4732 should be included into the NCBI RefSeq database for future studies of Ogataea spp.
Collapse
Affiliation(s)
- Jia Chang
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Jinlong Bei
- Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Qi Shao
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Hemu Wang
- Tianjin Hemu Health Biotechnological Co., Ltd., Tianjin, China
| | - Huan Fan
- Tianjin Institute of Animal Husbandry and Veterinary Research, Tianjin, China
| | - Tung On Yau
- John Van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom.,Department of Rural Land Use, Scotland's Rural College, Aberdeen, United Kingdom
| | - Wenjun Bu
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Jishou Ruan
- School of Mathematical Sciences, Nankai University, Tianjin, China
| | - Dongsheng Wei
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Shan Gao
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| |
Collapse
|
5
|
Jin X, Cheng Z, Wang B, Yau TO, Chen Z, Barker SC, Chen D, Bu W, Sun D, Gao S. Precise annotation of human, chimpanzee, rhesus macaque and mouse mitochondrial genomes leads to insight into mitochondrial transcription in mammals. RNA Biol 2020; 17:395-402. [PMID: 31905034 DOI: 10.1080/15476286.2019.1709746] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
In the present study, we applied our 'precise annotation' to the mitochondrial (mt) genomes of human, chimpanzee, rhesus macaque and mouse using 5' and 3' end small RNAs. Our new annotations updated previous annotations. In particular, our new annotations led to two important novel findings: (1) the identification of five Conserved Sequence Blocks (CSB1, CSB2, CSB3, LSP and HSP) in the control regions; and (2) the annotation of Transcription Initiation and novel Transcription Termination Sites. Based on these annotations, we proposed a novel model of mt transcription which can account for the mt transcription and its regulation in mammals. According to our model, Transcription Termination Sites function as switches to regulate the production of short, long primary transcripts and uninterrupted transcription, rather than simply terminate the mt transcription. Moreover, the expression levels of mitochondrial transcription termination factors control the proportions of rRNAs, mRNAs and lncRNAs in total mt RNA. Our findings point to the existence of many other, as yet unidentified, Transcription Termination Sites in mammals.
Collapse
Affiliation(s)
- Xiufeng Jin
- College of Life Sciences, Nankai University, Tianjin, P.R.China
| | - Zhi Cheng
- College of Life Sciences, Nankai University, Tianjin, P.R.China
| | - Bo Wang
- Department of Paediatric Surgery, Tianjin Medical University General Hospital, Tianjin, P.R.China
| | - Tung On Yau
- John Van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - Ze Chen
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei, P.R. China
| | - Stephen C Barker
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Defu Chen
- College of Life Sciences, Nankai University, Tianjin, P.R.China
| | - Wenjun Bu
- College of Life Sciences, Nankai University, Tianjin, P.R.China
| | - Daqing Sun
- Department of Paediatric Surgery, Tianjin Medical University General Hospital, Tianjin, P.R.China
| | - Shan Gao
- College of Life Sciences, Nankai University, Tianjin, P.R.China
| |
Collapse
|
6
|
Synergetic effect of TDZ and BA on minimizing the post-exposure effects on axillary shoot proliferation and assessment of genetic fidelity in Rauvolfia tetraphylla (L.). RENDICONTI LINCEI. SCIENZE FISICHE E NATURALI 2018. [DOI: 10.1007/s12210-018-0667-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
7
|
Critically short telomeres and toxicity of chemotherapy in early breast cancer. Oncotarget 2017; 8:21472-21482. [PMID: 28423524 PMCID: PMC5400599 DOI: 10.18632/oncotarget.15592] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/27/2017] [Indexed: 01/31/2023] Open
Abstract
Cumulative toxicity from weekly paclitaxel (myalgia, peripheral neuropathy, fatigue) compromises long-term administration. Preclinical data suggest that the burden of critically short telomeres (< 3 kilobases, CSTs), but not average telomere length by itself, accounts for limited tissue renewal and turnover capacity. The impact of this parameter (which can be modified with different therapies) in chemotherapy-derived toxicity has not been studied. Blood from 115 treatment-naive patients from a clinical trial in early HER2-negative breast cancer that received weekly paclitaxel (80 mg/m2 for 12 weeks) either alone or in combination with nintedanib and from 85 healthy controls was prospectively obtained and individual CSTs and average telomere lenght were determined by HT Q-FISH (high-throughput quantitative FISH). Toxicity was graded according to NCI common toxicity criteria for adverse events (NCI CTCAE V.4.0). The variable under study was “number of toxic episodes” during the 12 weeks of therapy. The percentage of CSTs ranged from 6.5%–49.4% and was directly associated with the number of toxic events (R2 = 0.333; P < 0.001). According to a linear regression model, each 18% increase in the percentage of CSTs was associated to one additional toxic episode during the paclitaxel cycles; this effect was independent of the age or treatment arm. Patients in the upper quartile (> 21.9% CSTs) had 2-fold higher number of neuropathy (P = 0.04) or fatigue (P = 0.019) episodes and >3-fold higher number of myalgia episodes (P = 0.005). The average telomere length was unrelated to the incidence of side effects. The percentage of CSTs, but not the average telomere size, is associated with weekly paclitaxel-derived toxicity.
Collapse
|
8
|
Two novel lncRNAs discovered in human mitochondrial DNA using PacBio full-length transcriptome data. Mitochondrion 2017; 38:41-47. [PMID: 28802668 DOI: 10.1016/j.mito.2017.08.002] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 06/11/2017] [Accepted: 08/07/2017] [Indexed: 11/23/2022]
Abstract
In this study, we established a general framework to use PacBio full-length transcriptome sequencing for the investigation of mitochondrial RNAs. As a result, we produced the first full-length human mitochondrial transcriptome using public PacBio data and characterized the human mitochondrial genome with more comprehensive and accurate information. Other results included determination of the H-strand primary transcript, identification of the ND5/ND6AS/tRNAGluAS transcript, discovery of palindrome small RNAs (psRNAs) and construction of the "mitochondrial cleavage" model, etc. These results reported for the first time in this study fundamentally changed annotations of human mitochondrial genome and enriched knowledge in the field of animal mitochondrial studies. The most important finding was two novel long non-coding RNAs (lncRNAs) of MDL1 and MDL1AS exist ubiquitously in animal mitochondrial genomes.
Collapse
|
9
|
Chen Z, Sun Y, Yang X, Wu Z, Guo K, Niu X, Wang Q, Ruan J, Bu W, Gao S. Two featured series of rRNA-derived RNA fragments (rRFs) constitute a novel class of small RNAs. PLoS One 2017; 12:e0176458. [PMID: 28441451 PMCID: PMC5404876 DOI: 10.1371/journal.pone.0176458] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 04/11/2017] [Indexed: 11/19/2022] Open
Abstract
In this study, we reported two featured series of rRNA-derived RNA fragments (rRFs) from the small RNA sequencing (sRNA-seq) data of Amblyomma testudinarium using the Illunima platform. Two series of rRFs (rRF5 and rRF3) were precisely aligned to the 5' and 3' ends of the 5.8S and 28S rRNA gene. The rRF5 and rRF3 series were significantly more highly expressed than the rRFs located in the body of the rRNA genes. These series contained perfectly aligned reads, the lengths of which varied progressively with 1-bp differences. The rRF5 and rRF3 series in the same expression pattern exist ubiquitously from ticks to human. The cellular experiments showed the RNAi knockdown of one 20-nt rRF3 induced the cell apoptosis and inhibited the cell proliferation. In addition, the RNAi knockdown resulted in a significant decrease of H1299 cells in the G2 phase of the cell cycle. These results indicated the rRF5 and rRF3 series were not random intermediates or products during rRNA degradation, but could constitute a new class of small RNAs that deserves further investigation.
Collapse
Affiliation(s)
- Ze Chen
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu, China
| | - Yu Sun
- College of Life Sciences, Nankai University, Tianjin, Tianjin, China
| | - Xiaojun Yang
- Faculty of Ecotourism, Southwest Forestry University, Kunming, Yunnan, China
| | - Zhenfeng Wu
- School of Mathematical Sciences, Nankai University, Tianjin, China
| | - Kaifei Guo
- Faculty of Ecotourism, Southwest Forestry University, Kunming, Yunnan, China
| | - Xiaoran Niu
- College of Life Sciences, Nankai University, Tianjin, Tianjin, China
| | - Qingsong Wang
- Tianjin Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Jishou Ruan
- School of Mathematical Sciences, Nankai University, Tianjin, China
| | - Wenjun Bu
- College of Life Sciences, Nankai University, Tianjin, Tianjin, China
- * E-mail: (SG); (WB)
| | - Shan Gao
- College of Life Sciences, Nankai University, Tianjin, Tianjin, China
- Institute of Statistics, Nankai University, Tianjin, China
- * E-mail: (SG); (WB)
| |
Collapse
|
10
|
Gao S, Ren Y, Sun Y, Wu Z, Ruan J, He B, Zhang T, Yu X, Tian X, Bu W. PacBio full-length transcriptome profiling of insect mitochondrial gene expression. RNA Biol 2016; 13:820-5. [PMID: 27310614 DOI: 10.1080/15476286.2016.1197481] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
In this study, we sequenced the first full-length insect transcriptome using the Erthesina fullo Thunberg based on the PacBio platform. We constructed the first quantitative transcription map of animal mitochondrial genomes and built a straightforward and concise methodology to investigate mitochondrial gene transcription, RNA processing, mRNA maturation and several other related topics. Most of the results were consistent with the previous studies, while to the best of our knowledge some findings were reported for the first time in this study. The new findings included the high levels of mitochondrial gene expression, the 3' polyadenylation and possible 5' m(7)G caps of rRNAs, the isoform diversity of 12S rRNA, the polycistronic transcripts and natural antisense transcripts of mitochondrial genes et al. These findings could challenge and enrich fundamental concepts of mitochondrial gene transcription and RNA processing, particularly of the rRNA primary (sequence) structure. The methodology constructed in this study can also be used to study gene expression or RNA processing of nuclear genomes.
Collapse
Affiliation(s)
- Shan Gao
- a College of Life Sciences, Nankai University , Tianjin, Tianjin , P.R. China
| | - Yipeng Ren
- a College of Life Sciences, Nankai University , Tianjin, Tianjin , P.R. China
| | - Yu Sun
- a College of Life Sciences, Nankai University , Tianjin, Tianjin , P.R. China
| | - Zhenfeng Wu
- b School of Mathematical Sciences, Nankai University , Tianjin , P.R.China
| | - Jishou Ruan
- b School of Mathematical Sciences, Nankai University , Tianjin , P.R.China
| | - Bingjun He
- a College of Life Sciences, Nankai University , Tianjin, Tianjin , P.R. China
| | - Tao Zhang
- a College of Life Sciences, Nankai University , Tianjin, Tianjin , P.R. China
| | - Xin Yu
- a College of Life Sciences, Nankai University , Tianjin, Tianjin , P.R. China
| | - Xiaoxuan Tian
- c Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine , Tianjin , P.R. China
| | - Wenjun Bu
- a College of Life Sciences, Nankai University , Tianjin, Tianjin , P.R. China
| |
Collapse
|