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Involvement of mind the gap in the organization of the tracheal apical extracellular matrix in Drosophila and Nilaparvata lugens

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Insect Science 2020年第4期27卷 756-770页

作者： Xiang-Zhao Yue Dan Li Jun Lv Kai Liu Jie Chen Wen-Qing Zhang State Key Laboratory of Biocontrol and School of Life Sciences Sun Yat-sen UniversityGuangzhouChina

The tracheal apical extracellular matrix(aECM)is vital for expansion of the tracheal lumen and supports the normal structure of the lumen to guarantee air entry and circulation in *** it has been found that some cuticular proteins are involved in the organization of the aECM,unidentified factors still ***,we found that mind the gap(Mtg),a predicted chitin-binding protein,is required for the normal formation of the apical chitin matrix of airway tubes in the model holometabolous insect Drosophila *** to chitin,the Mtg protein was linearly arranged in the tracheal dorsal trunk of the tracheae in *** mtg expression in the tracheae seriously affected the viability of larvae and caused tracheal chitin spiral defects in some *** of mtg mutant showed that mtg was required for normal development of tracheae in *** taenidial folds of some mtg mutant embryos were found on either lateral view of tracheal dorsal trunk or internal view of transmission electron microscopy *** abnormal tracheae were not fully filled with gas and accompanied by a reduction in tracheal width,which are characteristic phenotypes of tracheal aECM ***,in the hemimetabolous brown planthopper(BPH)Nilapat'vata lugens,downregulation of NICPAP1-N(a homolog of mtg)also led to the formation of abnormal tracheal chitin spirals and *** results suggest that mtg and its homolog are involved in the proper organization of the tracheal aECMs in flies and BPH,and that this function may be conserved in insects.

关键词： chitin Drosophila melanogaster,extracellular matrix mind the gap Nilapm vata lugens trachea

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mind the gap

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Beijing Review 2006年第29期49卷 18-19页

While a growing number of Chinese people are enjoying the benefits brought by economic reform and social development, some are being left behind. The divide between the rich and the poor is widening in China, resulting in an increasingly dissatisfied populace. Some argue that a wealth gap is not a big deal in a market economy and that the problem in China has been exaggerated. But in an article published by China Economic Times, Wu Zhongmin, a sociology professor at the Central Party School of the Communist...

关键词： mind the gap

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