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| 1 | Spatial Heterogeneity and Variability of a Large-Scale Vegetation Community Using a Power-Law Model显示文摘Spatial heterogeneity and stability are fundamental indices for describing vegetation communities. The spatial distribution characteristics of the vegetation in Nenjiang region of northeastern China were evaluated using a variance power-law model. The data fits the model well with estimates given for the levels of heterogeneity for not only single species but also the community as a whole. The linear regression indicates that the species in the community exhibit a consistently organized spatial pattern, as is often discovered in field surveys but rarely seen in artificial systems. The species deviations from the regression line, which exhibit a leptokurtic distribution, may reflect the variability of the community. Thus, the model provides a general tool for management and regulation of ecosystems, especially where there is human disturbances. | 宋志远 黄大明 SHIYOMI Masae 王昱生 TAKAHASHI Shigeo YOSHIMICHI Hori YAMAMURU Yasuo 陈俊 | 2005 | Tsinghua Science and Technology2005,10,4: | 5 |
| 2 | Characterization of QTL for unique agronomic traits of new-plant-type rice varieties using introgression lines of IR64显示文摘To enhance the yield potential of an elite indica rice cultivar,an introgression(BC_3-derived) line of IR64,YTH288,was developed using a new-plant-type cultivar,IR66215-44-2-3,as a donor parent.YTH288 has agronomically valuable characteristics such as large panicles,few unproductive tillers,and large leaves inherited from NPT.To identify the genetic basis of these traits,we used 167 F_2 plants derived from a cross between IR64 and YTH288 to conduct QTL analysis for five agronomic traits:days to heading(DTH),culm length(CL),flag leaf length(FLL),flag leaf width(FLW),and filled spikelet number per panicle(FSN).Six putative QTL were detected:four on chromosome4(for CL,FLL,FLW,and FSN) and two on chromosome 2(for DTH and FLL).All QTL with the IR66215-44-2-3 allele,except that for FLL on chromosome 2,had positive effects on each trait.To confirm the effects of these putative QTL,we developed NILs with the IR64 genetic background by marker-assisted selection.We observed significant differences in several agronomic traits between IR64 and NILs that carried these QTL on chromosomes2 and 4.Additionally,four IR64-NILs carrying chromosomal segments derived from different NPT varieties on the long arm of chromosome 4 exhibited similar pleiotropic To enhance the yield potential of an elite indica rice cultivar, an introgression(BC3-derived) line of IR64, YTH288, was developed using a new-plant-type cultivar,IR66215-44-2-3, as a donor parent. YTH288 has agronomically valuable characteristics such as large panicles, few unproductive tillers, and large leaves inherited from NPT.To identify the genetic basis of these traits, we used 167 F2 plants derived from a cross between IR64 and YTH288 to conduct QTL analysis for five agronomic traits: days to heading(DTH), culm length(CL), flag leaf length(FLL), flag leaf width(FLW), and filled spikelet number per panicle(FSN). Six putative QTL were detected: four on chromosome4(for CL, FLL, FLW, and FSN) and two on chromosome 2(for DTH and FLL). All QTL with the IR66215-44-2-3 allele, except that for FLL on chromosome 2, had positive effects on each trait. To confirm the effects of these putative QTL, we developed NILs with the IR64 genetic background by marker-assisted selection. We observed significant differences in several agronomic traits between IR64 and NILs that carried these QTL on chromosomes2 and 4. Additionally, four IR64-NILs carrying chromosomal segments derived from different NPT varieties on the long arm of chromosome 4 exhibited similar pleiotropiceffects for unique agronomic traits. These NILs can be used as research materials for studying each trait and as breeding materials for yield improvement of indica rice cultivars. | Analiza G.Tagle Daisuke Fujita Leodegario A.Ebron Mary Jeanie Telebanco-Yanoria Kazuhiro Sasaki Tsutomu Ishimaru Yoshimichi Fukuta Nobuya Kobayashi | 2016 | The Crop Journal2016,4,1: | 2 |
| 3 | P/T之交一个大量缺氧的分层洋的发育及其水体的短暂大规模混合作用——以硫同位素记录为证显示文摘通过研究日本丹波地体Sasayama剖面和秩父地体Tenjinmaru剖面,获得了全岩硫化物的系统硫同位素资料。这两条剖面跨越P/T界线,以燧石为主、为连续远洋沉积层序。P/T界线以硅质页岩和黑色碳质泥岩组合为特征,黑色碳质泥岩外貌与世界广布的K/T界线粘土岩相似。所获得的资料清楚地显示了重要的双峰分布模式。与CDT相比,^(34)S/^(32)S值,在整个中二叠统通常较低(约-39至-25‰),从上二叠统底部开始向上明显升高,并一直持续上升至下三叠统(约-20至-2‰),恰在假定的P/T界线,比值则短暂、迅猛反向偏移,降至与中二叠统大致相同的数值(约-41至-23‰)。有趣的是,本文中P/T界线与K/T界线的两个同位素模式可明显对比,最近报道的K/T界线位于日本北海道的Kawaruppu。对于同期海水硫酸盐来说,其分馏程度表现为:高^(34)S/^(32)S组,为-25±10‰,该数值相当于细菌参与硫酸盐还原期间、已证实了的动力学同位素效应值;低(34)S/^(32)S组多半超出该值,一般为-45±10‰,它与现代海洋沉积物的观测值相似。目前资料为缺氧滞流分层洋的变化提供有力证据。这个海洋的形成时间大概为晚二叠世早期至早三叠世,其间,正好在假定的P/T之交,发生了短暂大规模海水混合事件。海洋的这种含氧-缺氧历史在某种程度上可解释世界范围内三叠系底部沉积物亲铜元素的富集,并为当前争论激烈的关于二叠纪末大绝灭的成因和推论增添重要证据。 | Yoshimichi Kajiwara 叶玫 | 1995 | 地质科学译丛1995,12,3: | 2 |
| 4 | Hepatocellular carcinoma and nonalcoholic steatohepatitis developing during long-term administration of valproic acid显示文摘 | Katsuaki Sato Yoshimichi Ueda Keiichi Ueno Kazuya Okamoto Hideaki Iizuka Shogo Katsuda | 2005 | Virchows Archiv2005,,6: | 2 |
| 5 | Value of whole-body FDG PET in management of lung cancer显示文摘 | Kotaro Higashi Ichiro Matsunari Yoshimichi Ueda Ryosuke Ikeda Jianfei Guo Manabu Oguchi Hisao Tonami Itaru Yamamoto | 2003 | Annals of Nuclear Medicine2003,,1: | 1 |
| 6 | Development of introgression lines of an Indica-type rice variety, IR64, for unique agronomic traits and detection of the responsible chromosomal regions显示文摘 | Daisuke Fujita Rizza E. Santos Leodegario A. Ebron Mary J. Telebanco-Yanoria Hiroshi Kato Sohei Kobayashi Yusaku Uga Etsuko Araki Toshiyuki Takai Hiroshi Tsunematsu Tokio Imbe Gurdev S. Khush Darshan S. Brar Yoshimichi Fukuta Nobuya Kobayashi | 2009 | Field Crops Research2009,,2: | 1 |
| 7 | Annual Periodic Increases in Serum Carcinoembryonic Antigen Concurrent with Ground-Glass Opacity in the Lung: Report of a Case显示文摘 | Tsutomu Sakuma Yumiko Iwata Yoshimichi Ueda Xiu Gu Makoto Sugita Motoyasu Sagawa | 2005 | Surgery Today2005,,10: | 1 |
| 8 | Development, migration, and survival of mast cells显示文摘 | Yoshimichi Okayama Toshiaki Kawakami | 2006 | Immunologic Research2006,,2: | 1 |
| 9 | Improcement of radiation resistance of pure silica core fibers by hydrogen treatment 显示文摘 | KAYA Nagasawa YUTAKA Hoshi YOSHIMICHI Ohki | 1985 | Japanese Journal of Applied Physics1985,24,12: | 1 |
| 10 | Formation of 6-O-α-matosyl-cyclomalto-oligosaccharides from α -matosyl fluoride cyclomalto-oligosaccarides by pullulanase显示文摘 | Sumio Kitahata Yoshimichi Yoshimura Shigetaka Okada | 1987 | Carbohydrate Research1987,159,: | 1 |
| 11 | Enhancement ofpedicle screw stability using calcium phosphate cement in osteoporotic vertebrae: in vivo biomechanical study 显示文摘 | Ryuichi Takemasa Toshikazu Tani | 2003 | J Orthop Sci2003,,2003: | 1 |
| 12 | Comparisons between measured and calculated properties in the microwave heating of Na - A, K - A, and Na, Ca - A zeolites 显示文摘 | TATSUO OHGUSHI YUYA SAKAI YOSHIMICHI ADACHI | 2009 | J Plays Chem C2009,113,19: | 1 |
| 13 | Plateletderived growth factorBB(PDGFBB) induces differentiation of bone marrow endothelialprogenitor cellderived cell line TRBME2 into mural cells,andchanges the phenotype显示文摘 | Akashi M Hisashi I Yoshimichi S | | 0,,03: | 1 |
| 14 | Gene expression of connective tissue growth factor (CTGF/CCN2) in calcifying tissues of normal and cbfa1-null mutant mice in late stage of embryonic development显示文摘 | Tomoichiro Yamaai Tohru Nakanishi Masahiro Asano Kumiko Nawachi Gen Yoshimichi Kazumi Ohyama Toshifumi Komori Tomosada Sugimoto Masaharu Takigawa | 2005 | Journal of Bone and Mineral Metabolism2005,,4: | 1 |
| 15 | Formation of 6-O-α-maltosyl-cyclomalto-oligosaccharides fromα-maltosyl fluoride cyclomalto-oligosaccharides by pullulanase显示文摘 | Sumio Kitahata Yoshimichi Yoshimura Shigctaka Okada | 1987 | Carbohydrate Research1987,159,: | 1 |
| 16 | Seisimic Resistance and Design of Steel-Framed House 显示文摘 | Yoshimichi KAWAI Ryoichi KANNO Nobuyoshi UNO | 1999 | Nippon Steel Technical Report1999,79,: | 1 |
| 17 | Decomposition of chlorinated dioxins,odourous compounnds and NOx from SMW incineration plant by oxidizing catalyst显示文摘 | Gon Ok Hanai Yoshimichi Katou Tatsuo | 1993 | Chemo2 sphere1993,26,12: | 1 |
| 18 | Characterization of atypical enteropathogenic Escherichia coli strains harboring the astA gene that were associated with a waterborne outbreak of diarrhea in Japan显示文摘 | Jun Y Shioko S Yoshimichi M | 2003 | Clin Microbiol2003,5,2: | 1 |
| 19 | Spatial heterogeneity in a grassland community: Use of power law显示文摘 | Masae Shiyomi Shigeo Takahashi Jin Yoshimura Taisuke Yasuda Michio Tsutsumi Mikinori Tsuiki Yoshimichi Hori | 2001 | Ecological Research2001,,3: | 1 |
| 20 | Spatial heterogeneity in a grassland community: Use of power law显示文摘 | Masae Shiyomi Shigeo Takahashi Jin Yoshimura Taisuke Yasuda Michio Tsutsumi Mikinori Tsuiki Yoshimichi Hori | 2001 | Ecological Research2001,,3: | 1 |