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391篇 您的检索式:作者名="YAO C P"
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1笋芽顶端分生组织在竹秆横切面形态形成中的作用与机制研究显示文摘竹秆的横切面主要由表皮、皮层、维管组织、基本组织及髓腔(早期为髓组织)组成。这些组织均由笋芽茎顶端分生组织分化发育而来,且其在生长发育过程中促使了竹秆横切面形态(本文特指:竹秆横切面外轮廓形状、围度及壁-腔结构)的形成。然而,人们对于这一生长发育过程的生物学机制知之甚少。本研究利用解剖学、数学模拟等方法,对 20 种具不同秆径竹种的笋芽顶端分生组织进行了分析。研究结果发现,笋芽顶端分生组织指状形态的维持是竹子产生圆柱形竹秆的基础;在顶端分生组织细胞数目增加的同时,线性增加原体细胞数目应是竹子在演化过程中产生大径竹秆且保持规则壁-腔结构的方式。进一步通过研究一个竹壁增厚且壁-腔架构紊乱的稳定变异体———实肚竹( Phyllostachys nidularia f. farcta)发现,其笋芽顶端分生组织细胞数目减少且原体/原套细胞数比值降低使其产生了高比例的壁组分组织(指基本分生组织与肋状分生组织)与低比例的髓组织。上述 2 种组织的比例失衡,使得实肚竹笋芽在后续发育中壁组分组织随机挤入到了髓组织中,最终形成了实肚竹异常的竹秆横切面形态(竹壁多样化增厚且壁-腔结构紊乱)。此外,相对较小的顶端分生组织,使得实肚竹笋芽产生了较少的内源激素,如其生长素含量仅约为其原种篌竹的 67. 5%,各细胞分裂素含量也显著低于篌竹笋芽。转录组分析进一步发现,在实肚竹笋芽中与激素及代谢相关的功能基因呈显著下调表达。这些生理与分子变化最终导致了实肚竹竹秆矮化、秆径减小且生物量降低。本论文的研究结果为研究竹秆横切面发育提供了一个重要的视角,同时也为实肚竹厚壁茎秆的形成提出了一个合理的机制。Wang Y Sun X Ding Y Fei Z Jiao C Fan M Yao B Xin P Chu J Wei Q 王雨珺 魏强 2019世界竹藤通讯2019,17,3:5
2Hydrogen storage properties of MgH2/SWNT composite prepared by ball milling 显示文摘Wu C Z Wang P Yao X 2006Jour- nal of Alloys and Compounds2006,420,12:1
3Thymic neuroendocrine tu- mors: a SEER database analysis of 160 patients显示文摘Gaur P Leary C Yao JC 2010Ann Surg2010,251,6:1
4Generalized R-KKM theorems in topological spaces with applications显示文摘DING X P LIOU Y C YAO J C 2005Appl Math Letters2005,18,12:1
5Human Oviductal Cells Produce a Factor(s) That Maintains the Motility of Human Spermatozoa in Vitro显示文摘YAO Yuan-qing Ho P C Yeung W S B 2000Fertil Steril2000,73,3:1
6System identification in structural dynamics显示文摘Hart G C Yao T P 1997ASCE EM1997,103,6:1
7Differential effects of cannabinoid receptor agonists on regional brain activity using pharmacological MRI显示文摘Chin C L Tovcimak A E Hradil V P Seifert T R Hollingsworth P R Chandran P Zhu C Z Gauvin D Pai M Wetter J Hsieh G C Honore P Frost J M Dart M J Meyer M D Yao B B Cox B F Fox G B 0,,02:1
8Departure of Condensa- tion Droplets on Superhydrophobie Surfaces 显示文摘Lv C Hao P Yao Z 2015Lang- muir2015,31,8:1
9Synthesis and characterization of tat-mediated O-CMC magnetic nanopartieles having antieancer function 显示文摘Zhao A Yao P Kang C 2005Journal of Magnetism and Magnetic Materials2005,295,1:1
10Extended transformed stress space for geomaterials and its application显示文摘YAO Y P ZHOU A N LU D C 2007Journal of Engineering Mechanics ASCE2007,133,10:1
11Visual field does not affect steady-state accommodative response and near-work in- duced transient myopia 显示文摘Yao P Yang S Jiang B C 2009Vision Res2009,49,4:1
12Preparation and thermal stability of mechanically alloyed Cu-Zr-Ti-Y amorphous powders显示文摘Lee P Y Yao C J Chen J S 2004Mater Sci Eng A2004,,:1
13Embryological evidence of apomixis in Eulaliopsis binata 显示文摘YAO J L YANG P F HU C G 2004Acta Botanica Sinica2004,46,:1
14Existence and algorithm of solutions for generalized strongly nonlinear mixed variational-like inequalities in Banach spaces显示文摘Ding X P Yao J C Zeng L C 2008Comput Math Appl2008,55,4:1
15Polyphosphazene nanopar-ticles for cytoplasmic release of doxorubicin with improvedcytotoxicity against Dox-resistant tumor cells 显示文摘Zheng C Xu J Yao X P ef al 2011J Colloid Interf Sci2011,355,2:1
16Research on assembly quality e- valuation for aircraft product based on Monte-Carlo simulation 显示文摘YAO P TAN C ZHOU L 2011Advanced Science Letters2011,4,67:1
17Reduction of PM emissions from a heavy-duty diesel engine with diesel/methanol dual fuel 显示文摘Geng P Yao C D Wei L J 2014Fuel2014,123,:1
18Metallographic analysis of Cu-Zr-Al bulk amorphous alloys with yttrium nddition显示文摘CHEN J ZHANG Y HE J P YAO K F WEI B C CHEN G L 2006Scripta Materialia:2006,54,7:1
19Isolation and com- plete amino-acid-sequence of osteocalcin from canine bone显示文摘COLOMBO G FANTI P YAO C H 1993J Boneminer Res1993,8,6:1
20C, enome affinity and meiotic behaviour in trigenomie hybrids and their doubled allohexaploids between three cultivated Brassica allotetraploids and Brassica fiuticu- losa 显示文摘Chen J P C e X H Yao X C 2012C enome/National Research Council Canada2012,55,2:1
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