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Science China. Life Sciences

Qinghua Guo, Fangfang Wu, Shuxin Pang, Xiaoqian Zhao, Linhai Chen, Jin Liu, Baolin Xue, Guangcai Xu, Le Li, Haichun Jing, Chengcai Chu
With the growing population and the reducing arable land, breeding has been considered as an effective way to solve the food crisis. As an important part in breeding, high-throughput phenotyping can accelerate the breeding process effectively. Light detection and ranging (LiDAR) is an active remote sensing technology that is capable of acquiring three-dimensional (3D) data accurately, and has a great potential in crop phenotyping. Given that crop phenotyping based on LiDAR technology is not common in China, we developed a high-throughput crop phenotyping platform, named Crop 3D, which integrated LiDAR sensor, high-resolution camera, thermal camera and hyperspectral imager...
December 6, 2017: Science China. Life Sciences
Fang Fang, Zhimei Liu, Hezhi Fang, Jian Wu, Danmin Shen, Suzhen Sun, Changhong Ding, Tongli Han, Yun Wu, Junlan Lv, Lei Yang, Shufang Li, Jianxin Lv, Ying Shen
No abstract text is available yet for this article.
July 20, 2017: Science China. Life Sciences
Dianyang Chen, Fangyan Chen, Chunyu Chen, Xiaoya Chen, Yingbo Mao
The green mirid bug Apolygus lucorum is an agricultural pest that is known to cause damage to more than 150 plant species. Here, we report the transcriptomes of A. lucorum at three different developmental stages (the second and fifth instar nymphs and adults). A total of 98,236 unigenes with an average length of 1,335 nt was obtained, of which 50,640 were annotated, including those encoding digestive enzymes and cytochrome P450s. Comparisons with cotton bollworm and cotton aphid transcriptomes revealed distinct features of A...
July 18, 2017: Science China. Life Sciences
Xuesong Sang, Yihui Chen, Wei Chen, Jing Xie, Guangxun Meng, Jin Zhong, Taisheng Li, Ailing Lu
No abstract text is available yet for this article.
July 18, 2017: Science China. Life Sciences
Sufang Han, Xing Li, Zhifeng Xiao, Jianwu Dai
No abstract text is available yet for this article.
July 18, 2017: Science China. Life Sciences
Haojie Guo, Jiushi Liu, Li Luo, Xueping Wei, Jin Zhang, Yaodong Qi, Bengang Zhang, Haitao Liu, Peigen Xiao
No abstract text is available yet for this article.
July 17, 2017: Science China. Life Sciences
Jiaoli Zheng, Shuangshuang Li, Chengrong Peng, Dunhai Li
No abstract text is available yet for this article.
July 12, 2017: Science China. Life Sciences
Lifan Sun, Jun Qin, Kailun Wang, Jie Zhang
Pathogen/microbe-associated molecular patterns (PAMPs/MAMPs) are recognized by plant pattern recognition receptors (PRRs) localized on the cell surface to activate immune responses. This PAMP-triggered immunity (PTI) confers resistance to a broad range of pathogenic microbes and, therefore, has a great potential for genetically engineering broad-spectrum resistance by transferring PRRs across plant families. Pathogenic effectors secreted by phytopathogens often directly target and inhibit key components of PTI signaling pathways via diverse biochemical mechanisms...
July 10, 2017: Science China. Life Sciences
Suxu He, Quanmin Wang, Shuning Li, Chao Ran, Xiaoze Guo, Zhen Zhang, Zhigang Zhou
Low dose antibiotics have been used as growth promoters in livestock and fish. The use of antibiotics has been associated with reduced pathogen infections in livestock. In contrast, antibiotic growth promoter has been suspected of leading to disease outbreaks in aquaculture. However, this phenomenon is circumstantial and has not been confirmed in experimental conditions. In this study, we showed that antibiotic olaquindox increased the susceptibility of zebrafish to A. hydrophila infection. Olaquindox led to profound alterations in the intestinal microbiota of zebrafish, with a drastic bloom of Enterobacter and diminishing of Cetobacterium...
June 30, 2017: Science China. Life Sciences
Chao Geng, Haifeng Xu, Yinliang Zhang, Yong Gao, Meixia Li, Xiaoyan Liu, Mingyue Gao, Xiaojuan Wang, Xiaojun Liu, Fude Fang, Yongsheng Chang
In this study, treatment of C57BL/6J (wild type, WT) mice fed a high-fat diet (HFD) with retinoic acid (RA) decreased body weight and subcutaneous and visceral fat content, reversed the apparent hepatosteatosis, and reduced hepatic intracellular triglyceride and serum alanine transaminase (ALT) and aspartate aminotransferase (AST) concentrations. Moreover, RA treatment improved glucose tolerance and insulin sensitivity in WT mice fed a HFD. However, these RA-induced effects in WT mice fed a HFD were alleviated in liver specific Sirtuin 1 (Sirt1) deficient (LKO) mice fed a HFD...
June 29, 2017: Science China. Life Sciences
Peng Wang, Jun Zhan, Jiagui Song, Yunling Wang, Weigang Fang, Zhihua Liu, Hongquan Zhang
Esophageal cancer (EC) is one of the most lethal malignancies in China, but the etiology and risk factors remain unclear. The integrin-interacting proteins Kindlin-1 and Kindlin-2 are focal adhesion molecules that activate transmembrane receptor integrins and regulate tumor cell growth, invasion, and metastasis. Here, we report that Kindlin-1 and Kindlin-2 are differentially expressed among Chinese EC patients. For this, Kindlin-1 and Kindlin-2 expression was evaluated in 220 EC patients by immunohistochemistry (IHC) and found to be correlated with the EC progression, along with a variety of epidemiologic parameters, including smoking, family EC history, and EC invasion status...
June 29, 2017: Science China. Life Sciences
Mi Li, Lianqing Liu, Ning Xi, Yuechao Wang
In this work, a method based on atomic force microscopy (AFM) approach-reside-retract experiments was established to simultaneously quantify the elastic and viscoelastic properties of single cells. First, the elastic and viscoelastic properties of normal breast cells and cancerous breast cells were measured, showing significant differences in Young's modulus and relaxation times between normal and cancerous breast cells. Remarkable differences in cellular topography between normal and cancerous breast cells were also revealed by AFM imaging...
June 29, 2017: Science China. Life Sciences
Jing Wu, Jizheng Guo, Yunyun Yang, Feifei Jiang, Shuo Chen, Kaile Wu, Bing Shen, Yehai Liu, Juan Du
TRPP2, a Ca(2+)-permeable non-selective cation channel, has been shown to negatively regulate cell cycle, but the mechanism underlying this regulation is unknown. Tumor necrosis factor α (TNF-α) is a proinflammatory cytokine extensively involved in immune system regulation, cell proliferation and cell survival. However, the effects and mechanisms for the role of TNF-α in laryngeal cancer remain unclear. Here, we demonstrated using western blot analyses and intracellular Ca(2+) concentration measurements that TNF-α treatment suppressed both TRPP2 expression and ATP-induced Ca(2+) release in a laryngeal cancer cell line (Hep-2)...
June 29, 2017: Science China. Life Sciences
Libing Fu, Yaqiong Jin, Chao Jia, Jie Zhang, Jun Tai, Hongbin Li, Feng Chen, Jin Shi, Yongli Guo, Xin Ni, Lejian He
The morphologies of alveolar rhabdomyosarcoma (ARMS) are various. Some cases entirely lack an alveolar pattern and instead display a histological pattern that overlaps with embryonal rhabdomyosarcoma (ERMS). The method of pathological diagnosis of ARMS and ERMS has been updated in the 4th edition of the World Health Organization's guidelines for classification of skeletal muscle tumors. Under the new guidelines, there is still no molecular test to distinguish between these two subtypes of rhabdomyosarcoma (RMS)...
June 16, 2017: Science China. Life Sciences
Jingya Li, Ya Yang, Xiaomin Duan, Lanzhong Jin, Lin Zheng, Xin Zhang, Haiyan Wei, Yan Sun, Xiaolin Zhang, Pei Li, Jiao Yang, Ning Ma, Fangyun Wang
No abstract text is available yet for this article.
June 16, 2017: Science China. Life Sciences
Jinmeng Jia, Tieliu Shi
Characterized by their low prevalence, rare diseases are often chronically debilitating or life threatening. Despite their low prevalence, the aggregate number of individuals suffering from a rare disease is estimated to be nearly 400 million worldwide. Over the past decades, efforts from researchers, clinicians, and pharmaceutical industries have been focused on both the diagnosis and therapy of rare diseases. However, because of the lack of data and medical records for individual rare diseases and the high cost of orphan drug development, only limited progress has been achieved...
June 16, 2017: Science China. Life Sciences
Caifeng Li, Junmei Zhang, Shipeng Li, Tongxin Han, Weiying Kuang, Yifang Zhou, Jianghong Deng, Xiaohua Tan
The mutations of CARD15 gene and clinical features of Chinese patients with Blau syndrome were analyzed. We identified 10 missense mutations, out of which five were new: R334L, E383D, R471C, C495R and D512F. The rest of them, R334W, R334Q, G481D, M513T and R587C, have been reported previously. Among all the mutations, R334W, R334Q and C495R had the highest frequency. Blau syndrome was found at early age after birth. It began with lepidic rash and symmetric polyarthritis and was phenotypically characterized by typical rash, arthritis, iridocyclitis and arteritis...
June 16, 2017: Science China. Life Sciences
Zhiqiang Mo, Xianghui Xie, Huanmin Wang, Hong Qin, Wei Han, Xiaosong Li
No abstract text is available yet for this article.
June 16, 2017: Science China. Life Sciences
Jiangqiao Geng, Huanmin Wang, Yuanhu Liu, Jun Tai, Yaqiong Jin, Jie Zhang, Lejian He, Libing Fu, Hong Qin, Yingluan Song, Jinzhu Su, Aiying Zhang, Xin Wen, Yongli Guo, Xin Ni
In adults, the presence of the BRAF (V600E) mutation in papillary thyroid cancer (PTC) has been demonstrated to be strongly associated with aggressive cancer-cell characteristics and poor patient prognosis. In contrast, the frequency of this mutation in pediatric PTC has undergone limited study, and the few available estimates range from 0 to 63%. Furthermore, the role of the BRAF (V600E) mutation in pediatric PTC is controversial; thus, the present study aimed to investigate the prevalence and role of the BRAF (V600E) mutation in 48 pediatric patients with PTC, aged 3-13 years...
June 15, 2017: Science China. Life Sciences
Kaicheng Li, Bing Cai, Changlin Li, Xu Zhang
Noxious stimuli cause pain by activating cutaneous nociceptors. The Aδ- and C-fibers of dorsal root ganglion (DRG) neurons convey the nociceptive signals to the laminae I-II of spinal cord. In the dorsal horn of spinal cord, the excitatory afferent synaptic transmission is regulated by the inhibitory neurotransmitter γ-aminobutyric acid and modulators such as opioid peptides released from the spinal interneurons, and by serotonin, norepinepherine and dopamine from the descending inhibitory system. In contrast to the accumulated evidence for these central inhibitors and their neural circuits in the dorsal spinal cord, the knowledge about the endogenous suppressive mechanisms in nociceptive DRG neurons remains very limited...
June 15, 2017: Science China. Life Sciences
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