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Jing B, Zhu C, Song H, Li J, Cui C. Ytterbium(II) Complex-Catalyzed Selective Single and Double Hydrophosphination of 1,3-Enynes. Chemistry 2024:e202401234. [PMID: 38712548 DOI: 10.1002/chem.202401234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/06/2024] [Accepted: 05/06/2024] [Indexed: 05/08/2024]
Abstract
1,3-Enynes with the conjugated alkene and alkyne moieties are attractive building blocks in synthetic chemistry. However, neither 4,1-hydrophosphination nor dihydrophosphination of 1,3-enynes has been reported. In this paper, the divalent ytterbium and calcium amide complexes supported by silaimine-functionalized cyclopentadiene ligands (C5Me4-Si(L)=NR) were developed, which successfully catalyzed the efficient single and double hydrophosphination of 1,3-enynes with diarylphosphines. These two hydrophosphination reactions selectively produced homoallenyl phosphines and (E)-propenylene diphosphines, respectively. This work demonstrated the potential of hemilabile silaimine-Cp ligands in supporting the efficient and selective rare- and alkaline-earth catalysts.
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Affiliation(s)
- Bing Jing
- Nankai University, State Key Laboratory of Elemento-Organic Chemistry, CHINA
| | - Cheng Zhu
- Nankai University, State Key Laboratory of Elemento-Organic Chemistry, CHINA
| | - Haibin Song
- Nankai University, State Key Laboratory of Elemento-Organic Chemistry, CHINA
| | - Jianfeng Li
- Nankai University, State Key Laboratory of Elemento-Organic Chemistry, CHINA
| | - Chunming Cui
- Nankai University, Institute of Elemento-Organic Chemistry, 94 Weijin Road, 300071, Tianjin, CHINA
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2
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Zhang Y, Guo Z, Chen X, Li X, Shi Y, Xu L, Yu C, Jing B, Li W, Xu A, Shi X, Li K, Huang Z. Identification candidate genes for salt resistance through quantitative trait loci-sequencing in Brassica napus L. J Plant Physiol 2024; 294:154187. [PMID: 38422630 DOI: 10.1016/j.jplph.2024.154187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 01/22/2024] [Accepted: 01/22/2024] [Indexed: 03/02/2024]
Abstract
Rapeseed (Brassica napus L.) is one of the most important oil crops worldwide. However, its yield is greatly limited by salt stress, one of the primary abiotic stresses. Identification of salt-tolerance genes and breeding salt-tolerant varieties is an effective approach to address this issue. Unfortunately, little is known about the salt-tolerance quantitative trait locus (QTL) and the identification of salt tolerance genes in rapeseed. In this study, high-throughput quantitative trait locus sequencing (QTL-seq) was applied to identifying salt-tolerant major QTLs based on two DNA pools from an F2:3 population of a cross between rapeseed line 2205 (salt tolerant) and 1423 (salt sensitive). A total of twelve major QTLs related to the salt tolerance rating (STR) were detected on chromosomes A03, A08, C02, C03, C04, C06, C07 and C09. To further enhance our understanding, we integrated QTL-seq data with transcriptome analysis of the two parental rapeseed plants subjected to salt stress, through which ten candidate genes for salt tolerance were identified within the major QTLs by gene differential expression, variation and annotated functions analysis. The marker SNP820 linked to salt tolerance was successfully validated and would be useful as a diagnostic marker in marker-assisted breeding. These findings provide valuable insights for future breeding programs aimed at developing rapeseed cultivars resistant to salt stresses.
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Affiliation(s)
- Yan Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zhiting Guo
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiaoqin Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xinru Li
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yiji Shi
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Liang Xu
- Academy of Agricultural and Forestry Sciences of Qinghai University, Key Laboratory of Spring Rape Genetic Improvement of Qinghai Province, Rapeseed Research and Development Center of Qinghai Province, Xining, 810016, Qinghai, China
| | - Chengyu Yu
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Bing Jing
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Weiwei Li
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Aixia Xu
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xue Shi
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Keqi Li
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zhen Huang
- State Key Laboratory of Crop Stress Biology for Arid Areas/College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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Jiang W, Jiang Q, Shui Z, An P, Shi S, Liu T, Zhang H, Huang S, Jing B, Xiao E, Quan L, Liu J, Wang Z. HaMYBA-HabHLH1 regulatory complex and HaMYBF fine-tune red flower coloration in the corolla of sunflower (Helianthus annuus L.). Plant Sci 2024; 338:111901. [PMID: 37865209 DOI: 10.1016/j.plantsci.2023.111901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 10/23/2023]
Abstract
Sunflowers are well-known ornamental plants, while sunflowers with red corolla are rare and the mechanisms underlying red coloration remain unclear. Here, a comprehensive analysis of metabolomics and transcriptomics on flavonoid pathway was performed to investigate the molecular mechanisms underlying the differential color formation between red sunflower Pc103 and two yellow sunflowers (Yr17 and Y35). Targeted metabolomic analysis revealed higher anthocyanin levels but lower flavonol content in Pc103 compared to the yellow cultivars. RNA-sequencing and phylogenetic analysis identified multiple genes involved in the flavonoid pathway, including series of structural genes and three MYB and bHLH genes. Specifically, HaMYBA and HabHLH1 were up-regulated in Pc103, whereas HaMYBF exhibited reduced expression. HaMYBA was found to interact with HabHLH1 in vivo and in vitro, while HaMYBF does not. Transient expression analysis further revealed that HabHLH1 and HaMYBA cooperatively regulate increased expression of dihydroflavonol 4-reductase (DFR), leading to anthocyanin accumulation. On the other hand, ectopic expression of HaMYBF independently modulates flavonol synthase (FLS) expression, but hindered anthocyanin production. Collectively, our findings suggest that the up-regulation of HaMYBA and HabHLH1, as well as the down-regulation of HaMYBF, contribute to the red coloration in Pc103. It offers a theoretical basis for improving sunflower color through genetic engineering.
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Affiliation(s)
- Wenhui Jiang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China; Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences (CAAS), Shenzhen 518120, China
| | - Qinqin Jiang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Zhijie Shui
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Peipei An
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Shandang Shi
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Tianxiang Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Hanbing Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Shuyi Huang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Bing Jing
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Enshi Xiao
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Li Quan
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Jixia Liu
- Crop Research Institute, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, Ningxia 750002, China
| | - Zhonghua Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, China.
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Jing B, Duan P, Chen L, Du Y. EM-YOLO: An X-ray Prohibited-Item-Detection Method Based on Edge and Material Information Fusion. Sensors (Basel) 2023; 23:8555. [PMID: 37896647 PMCID: PMC10610966 DOI: 10.3390/s23208555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 10/29/2023]
Abstract
Using X-ray imaging in security inspections is common for the detection of objects. X-ray security images have strong texture and RGB features as well as the characteristics of background clutter and object overlap, which makes X-ray imaging very different from other real-world imaging methods. To better detect prohibited items in security X-ray images with these characteristics, we propose EM-YOLOv7, which is composed of both an edge feature extractor (EFE) and a material feature extractor (MFE). We used the Soft-WIoU NMS method to solve the problem of object overlap. To better extract features, the attention mechanism CBAM was added to the backbone. According to the results of several experiments on the SIXray dataset, our EM-YOLOv7 method can better complete prohibited-item-detection tasks during security inspection with detection accuracy that is 4% and 0.9% higher than that of YOLOv5 and YOLOv7, respectively, and other SOTA models.
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Affiliation(s)
- Bing Jing
- School of Information and Network Security, People’s Public Security University of China, Beijing 102206, China;
| | - Pianzhang Duan
- School of Information Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China;
| | - Lu Chen
- School of Vehicle and Mobility, Tsinghua University, Beijing 100190, China;
| | - Yanhui Du
- School of Information and Network Security, People’s Public Security University of China, Beijing 102206, China;
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Wang H, Cui C, Liu Y, Zheng Y, Zhao Y, Chen X, Wang X, Jing B, Mei H, Wang Z. Genetic mapping of QTLs controlling brown seed coat traits by genome resequencing in sesame ( Sesamum indicum L.). Front Plant Sci 2023; 14:1131975. [PMID: 36909448 PMCID: PMC9995652 DOI: 10.3389/fpls.2023.1131975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
INTRODUCTION Sesame seeds have become an irreplaceable source of edible oils and food products with rich nutrients and a unique flavor, and their metabolite contents and physiological functions vary widely across different seed coat colors. Although the quantitative trait loci (QTLs) for genetic variation in seed coat color have been extensively investigated, the identification of unique genetic loci for intermediate colors such as brown has not been reported due to their complexity. METHODS Here, we crossed the white sesame 'Yuzhi No. 8' (YZ8) and the brown sesame 'Yanzhou Erhongpi' (YZEHP) to construct a recombinant inbred line (RIL) population with consecutive self-fertilization for ten generations. RESULTS The selfed F1 seeds were brown which was controlled by a dominant gene. Based on the genotyping by whole-genome resequencing of the RILs, a major-effect QTL for brown coat color was identified through both bulk segregant analysis (BSA) and genetic linkage mapping in sesame, which was located within a 1.19 Mb interval on chromosome 6 (qBSCchr6). Moreover, we found that the YZEHP seed coat initially became pigmented at 20 days post-anthesis (DPA) and was substantially colored at 30 DPA. We screened 13 possible candidate genes based on the effects of genetic variants on protein coding and predicted gene functions. Furthermore, qRT‒PCR was used to verify the expression patterns of these genes in different post-anthesis developmental periods. We noted that in comparison to YZ8 seeds, YZEHP seeds had expression of SIN_1023239 that was significantly up-regulated 2.5-, 9.41-, 6.0-, and 5.9-fold at 15, 20, 25, and 30 DPA, respectively, which was consistent with the pattern of brown seed coat pigment accumulation. DISCUSSION This study identified the first major-effect QTL for the control of the brown seed coat trait in sesame. This finding lays the foundation for further fine mapping and cloning as well as investigating the regulatory mechanism of seed coat color in sesame.
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Affiliation(s)
- Han Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Chengqi Cui
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou, China
- The Shennong Laboratory, Zhengzhou, China
| | - Yanyang Liu
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou, China
- The Shennong Laboratory, Zhengzhou, China
| | - Yongzhan Zheng
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou, China
- The Shennong Laboratory, Zhengzhou, China
| | - Yiqing Zhao
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Xiaoqin Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Xueqi Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Bing Jing
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
| | - Hongxian Mei
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou, China
- The Shennong Laboratory, Zhengzhou, China
| | - Zhonghua Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, China
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Liang X, Guan F, Hu ZQ, Li B, Li YK, Jing B, Huang H, Zhu GT, Mao BB. [The related factors of postoperative recurrence in trigeminalneuralgia patients undergoing fully neuroendoscopic microvascular decompression]. Zhonghua Yi Xue Za Zhi 2022; 102:2465-2469. [PMID: 36000377 DOI: 10.3760/cma.j.cn112137-20211218-02820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To evaluate the related factors of postoperative recurrence intrigeminal neuralgia (TN) patients treated with fully neuroendoscopic microvascular decompression (MVD). Methods: The clinical baseline data and preoperative MRI imaging data of 112 patients with TN treated by neuroendoscopic MVD from December 2008 to December 2020 in the Department of Neurosurgery, Beijing Shijitan Hospital Affiliated to Capital Medical University were retrospectively analyzed, including: area ratio of cerebellopontine area (CPA)(healthy side/affected side), trigeminal nerve(TGN)length ratio(healthy side/affected side), TGN angle ratio(healthy side/affected side), and criminal vessel type. Multivariate Cox proportional hazards model was used to analyze the factors affecting postoperative recurrence. Results: Among the 112 patients in this group, there were 49 males and 63 females. The age ranged from 20 to 82 (59±9) years, and the course of disease was 0.05 to 30.00 (5.60±5.15) years. Pain was located on the left side in 43 cases (38.39%) and on the right side in 69 cases (61.61%), respectively. All patients were followed up for more than 1 year, with an average follow-up time of 21.5 months, and 11 cases recurred. Multivariate Cox regression analysis revealed that disease duration≥3 years(HR=9.34, 95%CI:1.12-39.07), CPA area ratio(healthy side/affected side)>1 (HR=27.47, 95%CI:1.69-44.20), criminal vessel type with vein(HR=35.39, 95%CI:1.26-18.60) and criminal vessel type with arteriovenous (HR=46.07, 95%CI: 2.74-27.75) were the main factors influencing recurrence of MVD surgery (all P<0.05). Conclusion: The disease duration≥3 years, CPA area ratio(healthy side/affected side)>1, and criminal vessel type with vein/arteriovenous are the relevant factors that affect the recurrence rate after the fully neuroendoscopic MVD treatment for trigeminal neuralgia.
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Affiliation(s)
- X Liang
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - F Guan
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Z Q Hu
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - B Li
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Y K Li
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - B Jing
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - H Huang
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - G T Zhu
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - B B Mao
- Department of Neurosurgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
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Zeng Y, Pu Y, Niu L, Deng J, Zeng D, Amato K, Li Y, Zhou Y, Lin Y, Wang J, Wu L, Chen B, Pan K, Jing B, Ni X. Comparison of gastrointestinal microbiota in golden snub-nosed monkey (Rhinopithecus roxellanae), green monkey (Chlorocebus aethiops sabaeus), and ring-tailed lemur (Lemur catta) by high throughput sequencing. Glob Ecol Conserv 2022. [DOI: 10.1016/j.gecco.2021.e01946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Ya X, Qian W, Huiqing L, Haixiao W, Weiwei Z, Jing B, Lei C, Jianping Y, Shuping Y, Jiaya M, Dong W, Ruixia G. Role of carbon nanoparticle suspension in sentinel lymph node biopsy for early-stage cervical cancer: a prospective study. BJOG 2020; 128:890-898. [PMID: 32930483 DOI: 10.1111/1471-0528.16504] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/04/2020] [Indexed: 12/28/2022]
Abstract
OBJECTIVE To evaluate the clinical diagnostic validity of carbon nanoparticle suspension (CNS) in sentinel lymph node biopsy (SLNB) for assessing lymphatic spread of early-stage cervical cancer. DESIGN A prospective study. SETTING AND POPULATION 356 cases. METHODS We enrolled 356 stage Ia2-IIa2 cervical cancer patients to undergo SLNB using CNS, followed by systematic pelvic lymphadenectomy. All lymph node specimens were assessed using conventional histopathologic ± pathologic ultrastaging analyses. MAIN OUTCOME MEASURES Sentinel lymph node detection rate (DR), clinical diagnostic validity and various related factors were analysed. RESULTS CNS identified 1456 SLNs in 325 patients. The overall SLN DR was 91.29%. A significantly higher DR was found for patients with tumours <20 mm (97.75% versus 71.91%; P < 0.001). Two patients had false-negative results. SLNB with CNS had sensitivity of 96.65%, false-negative rate (FNR) of 4.35% and negative predictive value (NPV) of 99.29%. Importantly, sensitivity (100%), NPV (100%) and FNR (0%) were improved when testing the subgroup of patients with tumours <20 mm (267 cases). There were no observed differences in DR based on pathological type or grade, stage, depth of stromal invasion, surgical approach, menopausal status or prior treatment with chemotherapy (P > 0.05). CONCLUSIONS Sentinel lymph node biopsy with CNS results in favourable DR, sensitivity and NPV for women with early-stage cervical cancer with small tumour sizes. SLNB with CNS is safe, feasible and relatively effective for guiding precise surgical treatment of early-stage cervical cancer. TWEETABLE ABSTRACT Sentinel lymph node biopsy with carbon nanoparticle suspension is safe and feasible for early-stage cervical cancer.
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Affiliation(s)
- X Ya
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - W Qian
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - L Huiqing
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - W Haixiao
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zh Weiwei
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - B Jing
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - C Lei
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Y Jianping
- Department of Pathology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Y Shuping
- Department of Pathology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - M Jiaya
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - W Dong
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - G Ruixia
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Xiao Y, Jing B, Liu X, Xue H, Liu Y. Metal-free C-H mercaptalization of benzothiazoles and benzoxazoles using 1,3-propanedithiol as thiol source. Beilstein J Org Chem 2019; 15:279-284. [PMID: 30800177 PMCID: PMC6369980 DOI: 10.3762/bjoc.15.24] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 01/09/2019] [Indexed: 11/23/2022] Open
Abstract
A facile and effective C-H functionalization strategy for the synthesis of 2-mercaptobenzothiazoles and 2-mercaptobenzoxazoles is described. 1,3-Propanedithiol was employed to convert benzothiazoles and benzoxazoles to the corresponding heteroarylthiols in the presence of potassium hydroxide and DMSO. This novel protocol is featured by direct C-H mercaptalization of heteroarenes and a simple reaction system.
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Affiliation(s)
- Yan Xiao
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103# Wenhua Road, Shenyang, Liaoning 10016, China
| | - Bing Jing
- School of Life Science and Medicine, Dalian University of Technology, 2# Dagong Road, Panjin, Liaoning 124221, China
| | - Xiaoxia Liu
- School of Life Science and Medicine, Dalian University of Technology, 2# Dagong Road, Panjin, Liaoning 124221, China
| | - Hongyu Xue
- School of Life Science and Medicine, Dalian University of Technology, 2# Dagong Road, Panjin, Liaoning 124221, China
| | - Yajun Liu
- School of Life Science and Medicine, Dalian University of Technology, 2# Dagong Road, Panjin, Liaoning 124221, China
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Zhou Y, Ni X, Wen B, Duan L, Sun H, Yang M, Zou F, Lin Y, Liu Q, Zeng Y, Fu X, Pan K, Jing B, Wang P, Zeng D. Appropriate dose of Lactobacillus buchneri supplement improves intestinal microbiota and prevents diarrhoea in weaning Rex rabbits. Benef Microbes 2018; 9:401-416. [DOI: 10.3920/bm2017.0055] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This study examined the effects on intestinal microbiota and diarrhoea of Lactobacillus buchneri supplementation to the diet of weaning Rex rabbits. To this end, rabbits were treated with L. buchneri at two different doses (LC: 104 cfu/g diet and HC: 105 cfu/g diet) for 4 weeks. PCR-DGGE was used to determine the diversity of the intestinal microbiota, while real-time PCR permitted the detection of individual bacterial species. ELISA and real-time PCR allowed the identification of numerous cytokines in the intestinal tissues. Zonula occludens-1, polymeric immunoglobulin receptor and immunoglobulin A genes were examined to evaluate intestinal barriers. Results showed that the biodiversity of the intestinal microbiota of weaning Rex rabbits improved in the whole tract of the treated groups. The abundance of most detected bacterial species was highly increased in the duodenum, jejunum and ileum after L. buchneri administration. The species abundance in the HC group was more increased than in the LC group when compared to the control. Although the abundance of Enterobacteriaceae exhibited a different pattern, Escherichia coli was inhibited in all treatment groups. Toll-like receptor (TLR)2 and TLR4 genes were down-regulated in all intestinal tissues as the microbiota changed. In the LC group, the secretion of the inflammatory cytokine tumour necrosis factor-α was reduced, the gene expression of the anti-inflammatory cytokine interleukin (IL)-4 was up-regulated and the expression of intestinal-barrier-related genes was enhanced. Conversely, IL-4 expression was increased and the expression of other tested genes did not change in the HC group. The beneficial effects of LC were greater than those of HC or the control in terms of improving the daily weight gain and survival rate of weaning Rex rabbits and reducing their diarrhoea rate. Therefore, 104 cfu/g L. buchneri treatment improved the microbiota of weaning Rex rabbits and prevented diarrhoea in these animals.
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Affiliation(s)
- Y. Zhou
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
| | - X. Ni
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, China P.R
| | - B. Wen
- Sichuan Academy of Grassland Science, Chengdu, Sichuan 611731, China P.R
| | - L. Duan
- Qu Country Extension Station for Husbandry Technology, Dazhou, Sichuan 635299, China P.R
| | - H. Sun
- Ya’an City Bureau of Agriculture, Ya’an, Sichuan 625099, China P.R
| | - M. Yang
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
| | - F. Zou
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
| | - Y. Lin
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
| | - Q. Liu
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
| | - Y. Zeng
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
| | - X. Fu
- Sichuan Academy of Grassland Science, Chengdu, Sichuan 611731, China P.R
| | - K. Pan
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, China P.R
| | - B. Jing
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, China P.R
| | - P. Wang
- Sichuan Academy of Grassland Science, Chengdu, Sichuan 611731, China P.R
| | - D. Zeng
- Animal Microecology Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Huiming Road 211, Chengdu, Sichuan 611130, China P.R
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, China P.R
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Zeng Y, Zeng D, Zhang Y, Ni XQ, Wang J, Jian P, Zhou Y, Li Y, Yin ZQ, Pan KC, Jing B. Lactobacillus plantarumBS22 promotes gut microbial homeostasis in broiler chickens exposed to aflatoxin B1. J Anim Physiol Anim Nutr (Berl) 2017; 102:e449-e459. [DOI: 10.1111/jpn.12766] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 05/15/2017] [Indexed: 11/30/2022]
Affiliation(s)
- Y. Zeng
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - D. Zeng
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - Y. Zhang
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - X. Q. Ni
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - J. Wang
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - P. Jian
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - Y. Zhou
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - Y. Li
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - Z. Q. Yin
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - K. C. Pan
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
| | - B. Jing
- Animal Microecology Institute; College of Veterinary Medicine; Sichuan Agricultural University; Sichuan China
- Key Laboratory of Animal Disease and Human Health of Sichuan Province; Sichuan Agricultural University; Sichuan China
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Weng Y, Liu Y, Du H, Li L, Jing B, Zhang Q, Wang X, Wang Z, Sun Y. Glycosylation of DMP1 Is Essential for Chondrogenesis of Condylar Cartilage. J Dent Res 2017; 96:1535-1545. [PMID: 28759313 DOI: 10.1177/0022034517717485] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Affiliation(s)
- Y. Weng
- Department of Implantology, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Y. Liu
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai, China
| | - H. Du
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai, China
| | - L. Li
- Department of Oral Maxillofacial Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - B. Jing
- School of Medicine, Stem Cell Center, Tongji University, Shanghai, China
| | - Q. Zhang
- Department of Endodontics, School and Hospital of Stomatology, Tongji University, Shanghai, China
| | - X. Wang
- Department of Cell Biology and Institute of Biomedicine, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Z. Wang
- Department of Implantology, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Y. Sun
- Department of Implantology, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
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Chae J, Liu Y, Xue H, Jing B, Liu S. Copper-Catalyzed Direct Synthesis of Aryl Thiols from Aryl Iodides Using Sodium Sulfide Aided by Catalytic 1,2-Ethanedithiol. Synlett 2017. [DOI: 10.1055/s-0036-1588482] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
A copper-catalyzed direct and effective synthesis of aryl thiols from aryl iodides using readily available Na2S·9H2O and 1,2-ethanedithiol was described. A variety of aryl thiols were readily obtained in yields of 76–99%. In this protocol, Na2S·9H2O was used as ultimate sulfur source, and 1,2-ethanedithiol functioned as an indispensable catalytic reagent.
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Affiliation(s)
- Junghyun Chae
- Department of Chemistry and Research Institute of Basic Sciences, Sungshin Women’s University
| | - Yajun Liu
- College of Life Science and Medicine, Dalian University of Technology
| | - Hongyu Xue
- College of Life Science and Medicine, Dalian University of Technology
| | - Bing Jing
- College of Life Science and Medicine, Dalian University of Technology
| | - Shasha Liu
- College of Life Science and Medicine, Dalian University of Technology
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14
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Liu CH, Ma X, Yuan Z, Song LP, Jing B, Lu HY, Tang LR, Fan J, Walter M, Liu CZ, Wang L, Wang CY. Decreased Resting-State Activity in the Precuneus Is Associated With Depressive Episodes in Recurrent Depression. J Clin Psychiatry 2017; 78:e372-e382. [PMID: 28297595 DOI: 10.4088/jcp.15m10022] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2015] [Accepted: 05/02/2016] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To investigate alterations in resting-state spontaneous brain activity in patients with major depressive disorder (MDD) experiencing multiple episodes. METHODS Between May 2007 and September 2014, 24 recurrent and 22 remitted patients diagnosed with MDD with the Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-I), and 69 healthy controls matched for age, sex, and educational level participated in this study. Among them, 1 healthy control was excluded due to excessive head motion. The fractional amplitude of low-frequency fluctuation (fALFF) was assessed for all recruited subjects during the completion of resting-state functional magnetic resonance imaging. Relationships between fALFF and clinical measurements, including number of depressive episodes and illness duration, were examined. RESULTS Compared to patients with remitted MDD and to healthy controls, patients with recurrent MDD exhibited decreased fALFF in the right posterior insula and right precuneus and increased fALFF in the left ventral anterior cingulate cortex. Decreased fALFF in the right precuneus and increased fALFF in the right middle insula were correlated with the number of depressive episodes in the recurrent MDD groups (r = -0.75, P < .01 and r = 0.78, P < .01, respectively) and remitted MDD groups (r = -0.63, P < .01 and r = 0.41, P = .03, respectively). In addition to regions in the default mode network (DMN) and salience network, the altered resting-state activity in the middle temporal and visual cortices was also identified. CONCLUSIONS Altered resting-state activity was observed across several neural networks in patients with recurrent MDD. Consistent with the emerging theory that altered DMN activity is a risk factor for depression relapses, the association between reduced fALFF in the right precuneus and number of depressive episodes supports the role of the DMN in the pathology of recurrent depression.
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Affiliation(s)
- Chun-Hong Liu
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, China.,Department of Psychiatry and Radiology, Beijing Anding Hospital, Capital Medical University, China.,Bioimaging Core, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Xin Ma
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, China
| | - Zhen Yuan
- Bioimaging Core, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, China. .,Bioimaging Core, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Lu-Ping Song
- Rehabilitation College of Capital Medical University, China Rehabilitation Research Center, Beijing, China
| | - Bing Jing
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, China
| | - Hong-Yu Lu
- Rehabilitation College of Capital Medical University, China Rehabilitation Research Center, Beijing, China
| | - Li-Rong Tang
- Department of Psychiatry and Radiology, Beijing Anding Hospital, Capital Medical University, China
| | - Jin Fan
- Department of Psychology, Queens College, The City University of New York, Queens, New York, USA
| | - Martin Walter
- Department of Psychiatry, University Tübingen, Germany.,Department of Behavioral Neurology, Leibniz Institute for Neurobiology, Magdeburg, Germany
| | - Cun-Zhi Liu
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, China
| | - Lihong Wang
- Department of Psychiatry, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Chuan-Yue Wang
- Department of Psychiatry and Radiology, Beijing Anding Hospital, Capital Medical University, China
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15
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Abstract
Ocular graft-vs-host disease (GvHD) is a major complication following allogenic blood stem cell transplantation (aBSCT) leading to a disturbance of the ocular surface integrity with a broad range of severity. Leading symptom is a pronounced autoinflammatory reaction in particular at the ocular surface with typical features of dry eye disease. Potential complications include visual loss, pain and damage to the ocular structures with, e. g. corneal ulcerations. Diagnosis and treatment of ocular GvHD are a challenge for attending ophthalmologists and require intensive interdisciplinary patient care in particular with haemato-oncologists. First and follow-up examinations consist of several diagnostic steps that include quantitative and qualitative analysis of tearfilm, visual acuity, ocular surface and retinal integrity, cataract development and subjective symptoms. Available tests are mostly evaluated for usage in dry eye diagnosis but are, however, mostly unspecific for diagnosing ocular GvHD reliably. Only combinations of several clinical tests together with the experience of specialised ophthalmologists may lead to the certain diagnosis and treatment decisions at state. This review illustrates the available established and innovative non-invasive diagnostic tests and evaluates their potential use for diagnosing ocular GvHD.
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Affiliation(s)
- S Siebelmann
- Kompetenzzentrum Okuläre GvHD, Zentrum für Augenheilkunde, Uniklinik Köln
| | - B Jing
- Kompetenzzentrum Okuläre GvHD, Zentrum für Augenheilkunde, Uniklinik Köln
| | - C Cursiefen
- Kompetenzzentrum Okuläre GvHD, Zentrum für Augenheilkunde, Uniklinik Köln
| | - P Steven
- Kompetenzzentrum Okuläre GvHD, Zentrum für Augenheilkunde, Uniklinik Köln
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17
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Heng S, Wei C, Jing B, Wan Z, Wen J, Yi B, Ma C, Tu J, Fu T, Shen J. Comparative analysis of mitochondrial genomes between the hau cytoplasmic male sterility (CMS) line and its iso-nuclear maintainer line in Brassica juncea to reveal the origin of the CMS-associated gene orf288. BMC Genomics 2014; 15:322. [PMID: 24884490 PMCID: PMC4035054 DOI: 10.1186/1471-2164-15-322] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2013] [Accepted: 04/23/2014] [Indexed: 11/10/2022] Open
Abstract
Background Cytoplasmic male sterility (CMS) is not only important for exploiting heterosis in crop plants, but also as a model for investigating nuclear-cytoplasmic interaction. CMS may be caused by mutations, rearrangement or recombination in the mitochondrial genome. Understanding the mitochondrial genome is often the first and key step in unraveling the molecular and genetic basis of CMS in plants. Comparative analysis of the mitochondrial genome of the hau CMS line and its maintainer line in B. juneca (Brassica juncea) may help show the origin of the CMS-associated gene orf288. Results Through next-generation sequencing, the B. juncea hau CMS mitochondrial genome was assembled into a single, circular-mapping molecule that is 247,903 bp in size and 45.08% in GC content. In addition to the CMS associated gene orf288, the genome contains 35 protein-encoding genes, 3 rRNAs, 25 tRNA genes and 29 ORFs of unknown function. The mitochondrial genome sizes of the maintainer line and another normal type line “J163-4” are both 219,863 bp and with GC content at 45.23%. The maintainer line has 36 genes with protein products, 3 rRNAs, 22 tRNA genes and 31 unidentified ORFs. Comparative analysis the mitochondrial genomes of the hau CMS line and its maintainer line allowed us to develop specific markers to separate the two lines at the seedling stage. We also confirmed that different mitotypes coexist substoichiometrically in hau CMS lines and its maintainer lines in B. juncea. The number of repeats larger than 100 bp in the hau CMS line (16 repeats) are nearly twice of those found in the maintainer line (9 repeats). Phylogenetic analysis of the CMS-associated gene orf288 and four other homologous sequences in Brassicaceae show that orf288 was clearly different from orf263 in Brassica tournefortii despite of strong similarity. Conclusion The hau CMS mitochondrial genome was highly rearranged when compared with its iso-nuclear maintainer line mitochondrial genome. This study may be useful for studying the mechanism of natural CMS in B. juncea, performing comparative analysis on sequenced mitochondrial genomes in Brassicas, and uncovering the origin of the hau CMS mitotype and structural and evolutionary differences between different mitotypes. Electronic supplementary material The online version of this article (doi:10.1186/1471-2164-15-322) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Jinxiong Shen
- National Key Laboratory of Crop Genetic Improvement, National Center of Rapeseed Improvement in Wuhan, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, P,R, China.
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18
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Jing B, Heng S, Tong D, Wan Z, Fu T, Tu J, Ma C, Yi B, Wen J, Shen J. A male sterility-associated cytotoxic protein ORF288 in Brassica juncea causes aborted pollen development. J Exp Bot 2012; 63:1285-95. [PMID: 22090439 PMCID: PMC3276091 DOI: 10.1093/jxb/err355] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Revised: 10/02/2011] [Accepted: 10/11/2011] [Indexed: 05/20/2023]
Abstract
Cytoplasmic male sterility (CMS) is a widespread phenomenon in higher plants, and several studies have established that this maternally inherited defect is often associated with a mitochondrial mutant. Approximately 10 chimeric genes have been identified as being associated with corresponding CMS systems in the family Brassicaceae, but there is little direct evidence that these genes cause male sterility. In this study, a novel chimeric gene (named orf288) was found to be located downstream of the atp6 gene and co-transcribed with this gene in the hau CMS sterile line. Western blotting analysis showed that this predicted open reading frame (ORF) was translated in the mitochondria of male-sterile plants. Furthermore, the growth of Escherichia coli was significantly repressed in the presence of ORF288, which indicated that this protein is toxic to the E. coli host cells. To confirm further the function of orf288 in male sterility, the gene was fused to a mitochondrial-targeting pre-sequence under the control of the Arabidopsis APETALA3 promoter and introduced into Arabidopsis thaliana. Almost 80% of transgenic plants with orf288 failed to develop anthers. It was also found that the independent expression of orf288 caused male sterility in transgenic plants, even without the transit pre-sequence. Furthermore, transient expression of orf288 and green fluorescent protein (GFP) as a fused protein in A. thaliana protoplasts showed that ORF288 was able to anchor to mitochondria even without the external mitochondrial-targeting peptide. These observations provide important evidence that orf288 is responsible for the male sterility of hau CMS in Brassica juncea.
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Yiru W, Yu W, Jing B, Jie C, Lifeng L, Yu W. Endothelial differentiation promoted by hypoxia in human amniotic fluid-derived stem cells. Heart 2011. [DOI: 10.1136/heartjnl-2011-300867.219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Howard MW, Jing B, Rao VA, Provyn JP, Datey AV. Bridging the gap: transitive associations between items presented in similar temporal contexts. J Exp Psychol Learn Mem Cogn 2009; 35:391-407. [PMID: 19271854 DOI: 10.1037/a0015002] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In episodic memory tasks, associations are formed between items presented close together in time. The temporal context model (TCM) hypothesizes that this contiguity effect is a consequence of shared temporal context rather than temporal proximity per se. Using double-function lists of paired associates (e.g., A-B, B-C) presented in a random order, the authors examined associations between items that were not presented close together in time but that were presented in similar temporal contexts. After learning, across-pair associations fell off with distance in the list, as if subjects had integrated the pairs into a coherent memory structure. Within-pair associations (e.g., A-B) were strongly asymmetric favoring forward transitions; across-pair associations (e.g., A-C) showed no evidence of asymmetry. While this pattern of results presented a stern challenge for a heteroassociative mediated chaining model, TCM provided an excellent fit to the data. These findings suggest that contiguity effects in episodic memory do not reflect direct associations between items but rather a process of binding, encoding, and retrieval of a gradually changing representation of temporal context.
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Affiliation(s)
- Marc W Howard
- Department of Psychology, Syracuse University, Syracuse, NY 13244, USA.
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Wan Z, Jing B, Tu J, Ma C, Shen J, Yi B, Wen J, Huang T, Wang X, Fu T. Genetic characterization of a new cytoplasmic male sterility system (hau) in Brassica juncea and its transfer to B. napus. Theor Appl Genet 2008; 116:355-362. [PMID: 18034224 DOI: 10.1007/s00122-007-0673-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2007] [Accepted: 10/27/2007] [Indexed: 05/25/2023]
Abstract
A novel cytoplasmic male sterility (CMS) was identified in Brassica juncea, named as hau CMS (00-6-102A). Subsequently, the male sterility was transferred to B. napus by interspecific hybridization. The hau CMS has stable male sterility. Flowers on the A line are absolutely male sterile, and seeds harvested from the line following pollinations with the maintainer gave rise to 100% sterile progeny. The anthers in CMS plants are replaced by thickened petal-like structures and pollen grains were not detected. In contrast, in other CMS systems viz. pol, nap, tour, and ogu, anthers are formed but do not produce viable pollen. The sterility of hau CMS initiates at the stage of stamen primordium polarization, which is much earlier compared with the other four CMS systems. We have successfully transferred hau CMS from B. juncea to B. napus. Restorer lines for pol, ogu, nap, and tour CMS systems were found to be ineffective to restore fertility in hau CMS. Sixteen out of 40 combinations of mitochondrial probe/enzyme used for RFLP analysis distinguished the hau CMS system from the other four systems. Among these sixteen combinations, five ones alone could distinguish the five CMS systems from each other. The evidence from genetic, morphological, cytological and molecular studies confirmed that the hau CMS system is a novel CMS system.
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Affiliation(s)
- Zhengjie Wan
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, China
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22
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Abstract
We examine whether temporally defined associations play a role in item recognition. The role of these associations in recall tasks is well known; we demonstrate an important role in item recognition as well. In this study, subjects were significantly more likely to recognize a test item as having been previously experienced if the preceding test item was studied in a temporally proximal list position than if the preceding test item came from a more distant list position. Further analyses showed that this associative effect was almost entirely due to cases in which the preceding test item received a highest-confidence recognition judgment.
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Lu F, Hu X, Jing B, Ma Y. [Analysis of nuclear DNA gene types of Leishmania isolates from hilly and plain foci of China]. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 2002; 16:432-5. [PMID: 12078288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
AIM To analyse the nuclear DNA (nDNA) polymorphism of Leishmania isolates from hilly and plain foci of China. METHODS nDNA were analysed by endonuclease digestion, Southern blotting and chromosomal localization. Probes were labeled with digoxigenin. RESULTS Using gp63 gene probe, similar hybridization bands were found to be existed between nDNAs of Leishmania donovani Jiangsu human isolate and L. d. Jeddah, also between nDNAs of L. d. Sichuan human isolate and L. infantum. Using beta-tubulin gene probe, there were two similar hybridization bands existed between nDNAs of L. d. Jiangsu human isolate and L. d. Jeddah, and three similar hybridization bands existed between nDNAs of L. d. Sichuan canine isolate and L. d. Gansu canine isolate, and two similar hybridization bands existed between nDNA of L. d. Sichuan canine isolate and L. d. Wenchuan human isolate. CONCLUSION Homology exists between L. d. Jiangsu human isolate and L. d. Jeddah from plain foci, between L. d. Sichuan human isolate from hilly foci and L. infantum, between L. d. Sichuan canine isolate and L. d. Gansu canine isolate from hilly foci. Homology as well as differences exist between L. d. Sichuan canine isolate and L. d. Wenchuan human isolate. Heterogeneity exists between isolates from hilly foci and plain foci.
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Affiliation(s)
- F Lu
- Department of Parasitology, West China University of Medical Sciences, Chengdu 610041
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Abstract
RATIONALE AND OBJECTIVES The authors performed this study to evaluate a new method (medial axis reformation [MAR]) for visualizing three-dimensional vascular data at electron-beam computed tomographic (CT) angiography. MATERIALS AND METHODS MAR was performed automatically with a personal computer-based workstation. After the region of interest was edited, voxels were divided into groups according to their path lengths. Centroids of groups were connected to form the medial axis. Then, the medial axis was refined with multiscale medial response. Bifurcations were also detected and refined. Finally, curved sections were generated through the branches and laid out onto a single image by using a splitting method. The authors performed MAR during electron-beam CT angiography of coronary arteries, common carotid arteries, and iliac arteries. RESULTS MAR displayed curved sections of branched vessels on one image, cut through the axis of vessels to show the vessel diameter objectively, and allowed the viewing direction to be altered arbitrarily. CONCLUSION Results of preliminary applications demonstrate that MAR is a valuable new visualization method for CT angiography.
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Affiliation(s)
- S He
- Department of Radiology, Cardiovascular Institute and Fuwai Hospital, Chinese Academy of Medical Science, Peking Union Medical College, Beijing
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25
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Lu B, Dai R, Jing B, Bai H, He S, Zhuang N, Wu Q, Zhu X. Evaluation of coronary artery bypass graft patency using three-dimensional reconstruction and flow study of electron beam tomography. Chin Med J (Engl) 2001; 114:466-72. [PMID: 11780405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
OBJECTIVE To establish and evaluate two protocols for the noninvasive visualization and assessment of coronary artery bypass graft (CABG) patency on electron beam tomography (EBT). METHODS Two hundred and fourteen consecutive patients who underwent coronary artery bypass graft surgery were scanned using both EBT angiography with 3-dimensional reconstruction and EBT flow study with time-density-curve analysis. RESULTS There were 589 CABGs evaluated in this study (10 grafts were excluded because of artifacts). Among them, 133 (98.5%) of 135 arterial grafts were patent, and 345 (77.7%) of 444 saphenous-vein grafts were patent. Within 5 years or between 5 and 10 years after operation, arterial graft patency exceeded venous graft patency (P < 0.001). Three-dimensional EBT angiography achieved higher sensitivity, specificity and accuracy (97.7%, 94.1% and 96.7%, respectively) than did EBT flow study (88.4%, 82.4% and 85.2%, respectively) for evaluating occlusion or patency of CABG. The intra-graft flow of patent arterial and venous grafts were 4.9 +/- 2.2 ml.min-1.g-1 and 6.9 +/- 2.8 ml.min-1.g-1, respectively (P < 0.001). CONCLUSION The combination of EBT three-dimensional reconstruction and flow study can be more effective in the assessment of CABG anatomy and quantification of patent CABG blood flow.
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Affiliation(s)
- B Lu
- Department of Radiology, Cardiovascular Institute, Fuwai Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100037, China.
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Chen D, Qiao L, Jing B. [Effect of rhubarb on oxygen radicals leakage from mitochondria of intestinal mucosa in burned rats]. Zhongguo Zhong Xi Yi Jie He Za Zhi 2000; 20:849-52. [PMID: 11938834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
OBJECTIVE To investigate the effects of rhubarb on oxygen radicals leakage from the mitochondria of intestinal mucosa in burned rats. METHODS The activity of cytochrome oxidase and superoxide dismutase (SOD) in mitochondria isolated from intestinal mucosa of burn model of rats was used to evaluate the oxygen radicals leakage from the mitochondria. And the SOD and malondialdehyde (MDA) levels in plasma, liver, intestinal mucosa and its mitochondria were also determined. RESULTS After burn injury, the activity of cytochrome oxidase in intestinal mucosa decreased as the time elapses, rhubarb could improve it obviously. Furthermore, rhubarb could reduce the massive consumption of SOD and production of MDA obviously increased in plasma, liver, intestinal mucosa and its mitochondria after burning. CONCLUSION Rhubarb could enhance the activity of cytochrome oxidase and SOD in small intestine mucosal epithelia in burned rats, thus the oxygen radicals leakage from the mitochondria to be reduced.
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Affiliation(s)
- D Chen
- Changzheng Hospital, Second Military Medical University, Shanghai (200003)
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Lu B, Dai R, Bai H, He S, Jing B, Zhuang N, Gao R, Yang Y, Chen J, Budoff MJ. Evaluation of electron beam tomographic coronary arteriography with three-dimensional reconstruction in healthy subjects. Angiology 2000; 51:895-904. [PMID: 11103858 DOI: 10.1177/000331970005101102] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this study, the authors evaluated the performance characteristics of contrast-enhanced electron-beam tomography (EBT) with three-dimensional reconstruction in defining the coronary artery lumen in healthy subjects. Thirty patients with normal coronary angiograms by selective coronary arteriography (SCA) underwent contrast-enhanced EBT examination. Measured parameters included degree of luminal enhancement, intravascular contrast-to-noise ratio (CNR), and diameter and length of visualized lumen. Ventricular cavity, aortic blood pool, and coronary artery attenuation were found to be significantly different before and after intravenous injection of contrast material (p < 0.001). CNR decreased from proximal to distal segments within each vessel (p < 0.001), with a peak of 11.2 +/- 2.3 occurring in the proximal left anterior descending coronary artery (LAD) to a low of 4.8 +/- 2.0 in the distal left circumflex (LCX). Luminal diameters visualized by EBT had no significant difference with that of SCA (p > 0.05). Therefore, EBT angiography with three-dimensional reconstruction allows for noninvasive coronary arteriography revealing long segments of the major coronary arteries in normal subjects.
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Affiliation(s)
- B Lu
- Department of Radiology, FuWai Cardiovascular Institute and Hospital, Peking Union Medical College, and Chinese Academy of Medical Sciences, Beijing
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Lu B, Dai R, Bai H, He S, Jing B, Zhuang N, Gao R, Chen J, Budoff MJ. Detection and analysis of intracoronary artery stent after PTCA using contrast-enhanced three-dimensional electron beam tomography. J Invasive Cardiol 2000; 12:1-6. [PMID: 10731255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
We evaluated several three-dimensional methods of contrast-enhanced electron beam tomography (EBT) for evaluation of intracoronary stent characteristics after percutaneous transluminal coronary angioplasty (PTCA). Twenty-six patients who had undergone PTCA and stenting (31 stents) were investigated by using contrast-enhanced, electrocardiographically (ECG) triggered EBT scanning. EBT results were compared with conventional selective coronary arteriography (SCA). Overall, 27 intracoronary stents had been identified on EBT images (87.1%), while 4 stents could not be evaluated because of impaired image quality. EBT correctly identified the only case in which there was a residual stenosis at the distal portion of the stent. As compared with SCA results, EBT showed an over-estimation of intracoronary stent diameter (p < 0.001) and accurate measurement on the visualized length of the stents (p > 0.05). Fifty Hu, 100 Hu and 150 Hu were used as the observed window levels on three-dimensional (3-D) images; the accuracy for stent assessment increased with ascending window levels. EBT can reliably characterize coronary artery stents and may become a useful non-invasiveive method for patency evaluation of stented coronary segments after PTCA.
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Affiliation(s)
- B Lu
- Saint JohnOs Cardiovascular Research Center, 1124 West Carson Street, RB-2, Torrance, CA 90502, USA
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Dai R, Zhang S, Lu B, Cao C, He S, Bai H, Jing B. Electron-beam CT angiography with three-dimensional reconstruction in the evaluation of coronary artery bypass grafts. Acad Radiol 1998; 5:863-7. [PMID: 9862005 DOI: 10.1016/s1076-6332(98)80248-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
RATIONALE AND OBJECTIVES The authors evaluated the use of electron-beam computed tomographic (CT) angiography and three-dimensional (3D) reconstruction for evaluation of coronary artery bypass grafts (CABGs). MATERIALS AND METHODS Sixty patients (53 men and seven women; mean age, 56 years +/- 8) with 152 CABGs (29 internal mammary artery and 123 saphenous vein grafts) underwent electron-beam CT with 3D reconstruction. The time from bypass surgery to CT scanning was 7 days to 120 months (mean, 17 months +/- 28). Enhanced single-section and flow mode studies were performed in all cases. The results were correlated with CABG operation records, and patency was determined with time-attenuation curves. RESULTS All patients were successfully examined. On the basis of time-attenuation curve criteria, 124 (81.6%) of 152 grafts were patent. The patency rate for the internal mammary artery subgroup was 93% (27 of 29 grafts); for the saphenous vein graft subgroup, 78.9% (97 of 123 grafts). CONCLUSION Used in contrast-enhanced, single-section mode and flow studies with time-attenuation curves, electron-beam CT angiography with 3D reconstruction can provide quantitative data for evaluation of CABG patency.
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Affiliation(s)
- R Dai
- Department of Radiology, Cardiovascular Institute, Beijing, China
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Dai R, Zhang S, Lü B, Cao C, He S, Bai H, Jing B. Three-dimensional reconstruction of electron beam computed tomography angiography for evaluating coronary artery bypass grafts. Chin Med J (Engl) 1998; 111:588-92. [PMID: 11245042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
OBJECTIVES To probe into electron beam computed tomography (EBCT) angiography and 3-D reconstruction of coronary artery bypass grafts (CABG) and to evaluate the clinical application of EBCT angiography and 3-D reconstruction of CABG. METHODS EBCT angiography with 3-D reconstruction was achieved in 150 patients (142 men and 8 women, mean age, 57 +/- 8 years) with 399 grafts including 100 internal mammary artery grafts (IMG), 296 saphenous vein grafts(SVG) and 3 radial artery grafts (RAG) respectively. The time from bypass surgery to EBCT scanning ranged from 7 days to 120 months, averaging 15 +/- 28 months. Enhanced single slice mode (SSM) and flow studies were performed in all patients. The results of 3-D reconstruction of CABG were compared with bypass operation records and with coronary arteriograms (7 patients). RESULTS 150 patients underwent successfully EBCT angiography and CABG 3-D reconstruction. According to 3-D reconstruction of the coronary bypass grafts with flow studies, 318 of 399 coronary bypass grafts were patent including IMG patency in 87/100 (87%), SVG in 228/296 (77%) and RAG in 3/3 (100/100). The overall patent rate was 79.7%. In 7 patients with 12 coronary bypass grafts, EBCT studies showed graft patency (7 grafts) and occlusion (5), which were confirmed by conventional graft angiography. CONCLUSIONS EBCT angiography with 3-D reconstruction is effective in providing the entire anatomic structure of coronary bypass grafts and evaluating coronary bypass graft patency. EBCT flow study can provide quantitative data for evaluating coronary bypass graft patency and for supplemental diagnosis of CABG 3-D reconstruction. EBCT angiography is a noninvasive technique that could replace conventional coronary arteriography for follow-up survey of coronary bypass surgery in future.
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Affiliation(s)
- R Dai
- Department of Radiology, Cardiovascular Institute and Fu Wai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China
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Liu H, Dai B, Jing B, Wu W, Li S, Fang Z, Zhao H, Ye D, Yan R, Liu J, Song S, Yang Y, Zhang Y, Liu F, Tu Y, Yang H, Huang Z, Liang L, Hu L, Zhao M. [Construction of genomic library of L. interrogans serovar lai using lambda gt11 as the vector and a study of recombiant plasmid pDL121]. Hua Xi Yi Ke Da Xue Xue Bao 1997; 28:18-22. [PMID: 10684055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
A genomic library of L. interrogans serovar lai strain 017 has been constructed using lambda gt11 as the vector. DNA was partially digested by two blunt-end restriction enzymes, then methylated with EcoR I methylase; after EcoR I linker was added to the DNA, the linker-ended DNA was ligated to the dephosphorylated EcoR I digested lambda gt11 arms. The recombined DNA was packaged in vitro, and used to transduct E. coli Y1090 for amplification. There were 2.1 x 10(6) recombinant bacteriophages as recognized by their ability to form white plaques plated on Lac host in the presence of both IPTG and X-Ga1. A positive clone, designated lambda DL12, was screened with a rabbit anti-serum against L. interrogans serovar lai from the genomic library. The DNA from lambda DL12 was subcloned into plasmid pUC18. A recombinant (designated as pDL121) was obtained. SDS-PAGE analysis indicated that a 23 kd was expressed in E. coli JM 103 harboring pDL121. Western blotting analysis showed that a specific protein band molecular weight of 23 kd could be recognized by the rabbit antiserum against L. interrogans serovar lai strain 017.
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Affiliation(s)
- H Liu
- Research Group of West China University Medical Science, Chengdu
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Pan Y, Metzenberg A, Das S, Jing B, Gitschier J. Mutations in the V2 vasopressin receptor gene are associated with X-linked nephrogenic diabetes insipidus. Nat Genet 1992; 2:103-6. [PMID: 1303257 DOI: 10.1038/ng1092-103] [Citation(s) in RCA: 137] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
X-linked nephrogenic diabetes insipidus (NDI) is a rare disorder in which the kidney is insensitive to the antidiuretic hormone, vasopressin. It has been proposed that the kidney-specific V2 vasopressin receptor, a G protein-coupled receptor, is defective in this disorder as both the disease and the receptor map to Xq28. We report six unique mutations in the V2 receptor gene of five unrelated NDI patients, with one patient having two mutations. The most severely affected patient has a nonsense mutation which would terminate the protein in transmembrane domain III. Other mutations include three missense mutations, a frameshift and one small in-frame deletion. These results represent one of the first examples of recessive mutations affecting a G protein-coupled receptor.
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Affiliation(s)
- Y Pan
- Howard Hughes Medical Institute, University of California, San Francisco 94143
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Jing B, Wallace S, Zornoza J. Metastases to retroperitoneal and pelvic lymph nodes: computed tomography and lymphangiography. Radiol Clin North Am 1982; 20:511-30. [PMID: 7051132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Abstract
Percutaneous aspiration biopsies of opacified retroperitoneal lymph nodes, and retroperitoneal, intraperitoneal and paraspinal masses were successfully accomplished in 14 of 17 patients. A 23-guage needle was utilized for the procedure which is performed under fluoroscopic guidance. Metastatic carcinoma, sarcoma and melanoma were readily identified by aspiration biopsy while the diagnosis of lymphoma, especially as to type, was more difficult. No significant complications have resulted from the passage of the needle through the peritoneal cavity.
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