A fresh perspective on biodiversity and the movement of organisms.
doi:10.1038/7097xiiia
Table of contents
日本語版 Volume 441 Number 7097 ppxiii-1194
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Authors
Making the paper: Kristin France pxiii
Abstractions pxiii
doi:10.1038/7097xiiib
On the web: Open peer-review debate pxiii
doi:10.1038/7097xiiic
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Editorials
Science in the Arab world p1027
The immense challenges facing those who attempt to support research in developing countries are compounded by political turmoil in the Middle East.
doi:10.1038/4411027a
A tale of one world p1028
Action stations p1028
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News
Academy affirms hockey-stick graph p1032
But it criticizes the way the controversial climate result was used.
Geoff Brumfiel
doi:10.1038/4411032a
Experts comb tropics for clues to vCJD p1033
Fate of ex-cannibals suggests prion diseases can incubate for half a century.
Helen Pearson
doi:10.1038/4411033a
Sidelines p1034
doi:10.1038/4411034a
Hungary's science academy slammed as 'obsolete' p1034
Government and researchers complain of old-fashioned and discriminatory policies.
Quirin Schiermeier
doi:10.1038/4411034b
Hunt for AIDS vaccine tackles genomes p1034
Scientists become targets in Iraq p1036
Violence is common currency in Iraq, but one group is increasingly and persistently singled out — academics. Declan Butler reports on the risks run by researchers as they struggle to pursue their studies.
doi:10.1038/4411036a
Human eggs supply 'ethical' stem cells p1038
Use of parthenogenetic lines could side step moral issues.
Jo Marchant
doi:10.1038/4411038a
News in brief p1039
doi:10.1038/4411039a
Correction p1039
doi:10.1038/4411039a
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News Feature
Science on the solstice p1040
Every day, all over the planet and beyond it, scientists try to make sense of the world in which they live. Here we present a composite picture of just one day — 21 June 2006, the Northern summer solstice. See news@nature.com for a greatly expanded version of this feature.
doi:10.1038/4411040a
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Business
Assault on batteries p1046
Miniature fuel cells are being developed as an alternative way to power portable devices. But they're not ready yet, as Kurt Kleiner reports.
doi:10.1038/4411046a
In brief p1047
doi:10.1038/4411047a
Market watch p1047
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Correspondence
Seeing is believing as brain reveals its adaptability p1048
Discrete reminder about Weismann's discovery p1048
Researchers frustrated by lack of input to NIH policy p1048
Public will fear biological accidents, not just attacks p1048
Correction p1048
doi:10.1038/4411048e
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Books and Arts
Faster, better, healthier p1049
An exploration of how genetics has influenced many aspects of life.
doi:10.1038/4411049a
A glimpse of the early Universe p1050
doi:10.1038/4411050a
A question of taste p1051
doi:10.1038/4411051a
Correction p1051
doi:10.1038/4411051b
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News and Views
量子物理学：二次元系中の原子気体
Quantum physics: Atomic gas in flatland p1053
The observation of Bose–Einstein condensation in an atomic gas was a seminal result. Two-dimensional gases are more complex, and an intriguing interference experiment has exposed a different superfluid transition.
Tilman Esslinger and Gianni Blatter
doi:10.1038/4411053a
日本語要約 | Full Text | PDF (185K)
構造生物学：RNAの機能の切り替え
Structural biology: RNA switches function p1054
Proteins are not the only regulators of metabolite synthesis — some RNA molecules do it too. These RNAs lack chemical diversity, so how do we explain the variety of their respective substrates?
Steve Reichow and Gabriele Varani
doi:10.1038/4411054a
日本語要約 | Full Text | PDF (157K)
材料科学：規則的に配列した細孔をもつゲルマニウム
Materials science: Germanium takes holey orders p1055
Soap-like molecules serve as a scaffold for remarkably well-ordered, porous germanium skeletons. The nanometre-sized features of these semiconductor frameworks confer unique optical and electronic properties.
Andreas Stein
doi:10.1038/4411055a
日本語要約 | Full Text | PDF (151K)
天文学：明るみに出た超新星
Astronomy: Supernovae brought to light p1056
The existing catalogue of Galactic supernova remnants contains only a small fraction of the true number of these stellar explosions. A different observational technique is being employed to find the missing ones.
Carl Heiles
doi:10.1038/4411056a
日本語要約 | Full Text | PDF (205K)
神経変性疾患：Pink、parkinと脳
Neurodegenerative disease: Pink, parkin and the brain p1058
Dysfunctions in a number of cellular pathways can cause Parkinson's disease. Fruitflies with mutations in a protein called PINK1 show that there might be some unsuspected interplay between two such pathways.
Leo Pallanck and J. Timothy Greenamyre
doi:10.1038/4411058a
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Insight: Stem-cell Biology
Insight: Stem-cell Biology -
Produced with support from:
Insight: Stem-cell Biology
Stem-cell Biology p1059
A glossary for stem-cell biology p1060
Nuclear reprogramming and pluripotency p1061
Asymmetric and symmetric stem-cell divisions in development and cancer p1068
The stem-cell niche as an entity of action p1075
Stem cells, ageing and the quest for immortality p1080
Generation of neuronal variability and complexity p1087
Stem cells for the treatment of neurological disorders p1094
Potential of stem-cell-based therapies for heart disease p1097
Stem-cell therapies for blood diseases p1100
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Articles
進化：ヒトとチンパンジーの複雑な種分化を示す遺伝学的証拠
Genetic evidence for complex speciation of humans and chimpanzees p1103
Nick Patterson, Daniel J. Richter, Sante Gnerre, Eric S. Lander and David Reich
doi:10.1038/nature04789
細胞：成体マウスの排卵された卵母細胞は循環血中にない生殖細胞に由来する
Ovulated oocytes in adult mice derive from non-circulating germ cells p1109
Kevin Eggan, Sara Jurga, Roger Gosden, Irene M. Min and Amy J. Wagers
doi:10.1038/nature04929
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Letters
宇宙：中性子星の物質に対する軟らかい状態方程式はEXO 0748-676では除外される
Soft equations of state for neutron-star matter ruled out by EXO 0748 - 676 p1115
物理：トラップされた原子気体のBerezinskii-Kosterlitz-Thoulessクロスオーバー
Berezinskii–Kosterlitz–Thouless crossover in a trapped atomic gas p1118
Zoran Hadzibabic, Peter Krüger, Marc Cheneau, Baptiste Battelier and Jean Dalibard
doi:10.1038/nature04851
日本語要約 | Full Text | PDF (280K)
材料：細孔が立方対称に配列したメソ構造ゲルマニウム
Mesostructured germanium with cubic pore symmetry p1122
Gerasimos S. Armatas and Mercouri G. Kanatzidis
doi:10.1038/nature04833
材料：界面活性剤によるZintlクラスターの自己集合により作製した六方対称性ナノ多孔質ゲルマニウム
Hexagonal nanoporous germanium through surfactant-driven self-assembly of Zintl clusters p1126
Dong Sun, Andrew E. Riley, Ashley J. Cadby, Erik K. Richman, Scott D. Korlann and Sarah H. Tolbert
doi:10.1038/nature04891
地球：太平洋-北米プレート境界沿いの亜大陸スケールの地殻運動速度変化
Subcontinental-scale crustal velocity changes along the Pacific–North America plate boundary p1131
J. L. Davis, B. P. Wernicke, S. Bisnath, N. A. Niemi and P. Elósegui
doi:10.1038/nature04781
地球：地震波は透水率を増大させる
Seismic waves increase permeability p1135
Jean E. Elkhoury, Emily E. Brodsky and Duncan C. Agnew
doi:10.1038/nature04798
日本語要約 | Full Text | PDF (1,377K) | Supplementary information
生態：多様性と分散は生態系機能の予測可能性に対して相互作用的に影響する
Diversity and dispersal interactively affect predictability of ecosystem function p1139
Kristin E. France and J. Emmett Duffy
doi:10.1038/nature04729
神経：樹状突起棘におけるプロテアソームのシナプス活動依存的な動態と棘への隔離
Activity-dependent dynamics and sequestration of proteasomes in dendritic spines p1144
Baris Bingol and Erin M. Schuman
doi:10.1038/nature04769
植物：自己阻害の起きないカルシウム活性化キナーゼにより根粒菌非依存的に形成される根粒
Nodulation independent of rhizobia induced by a calcium-activated kinase lacking autoinhibition p1149
Cynthia Gleason, Shubho Chaudhuri, Tianbao Yang, Alfonso Muñoz, B. W. Poovaiah and Giles E. D. Oldroyd
doi:10.1038/nature04812
植物：Ca2+/カルモジュリン依存性キナーゼの調節解除は自発的な根粒形成を誘導する
Deregulation of a Ca2+/calmodulin-dependent kinase leads to spontaneous nodule development p1153
Leïla Tirichine, Haruko Imaizumi-Anraku, Satoko Yoshida, Yasuhiro Murakami, Lene H. Madsen, Hiroki Miwa, Tomomi Nakagawa, Niels Sandal, Anita S. Albrektsen, Masayoshi Kawaguchi, Allan Downie, Shusei Sato, Satoshi Tabata, Hiroshi Kouchi, Martin Parniske, Shinji Kawasaki and Jens Stougaard
doi:10.1038/nature04862
医学：ショウジョウバエPINK1突然変異体のミトコンドリア機能障害はparkinにより補完される
Mitochondrial dysfunction in Drosophila PINK1 mutants is complemented by parkin p1157
Jeehye Park, Sung Bae Lee, Sungkyu Lee, Yongsung Kim, Saera Song, Sunhong Kim, Eunkyung Bae, Jaeseob Kim, Minho Shong, Jin-Man Kim and Jongkyeong Chung
doi:10.1038/nature04788
医学：ショウジョウバエのpink1はミトコンドリアの機能に必要とされ、parkinと遺伝的に相互作用する
Drosophila pink1 is required for mitochondrial function and interacts genetically with parkin p1162
Ira E. Clark, Mark W. Dodson, Changan Jiang, Joseph H. Cao, Jun R. Huh, Jae Hong Seol, Soon Ji Yoo, Bruce A. Hay and Ming Guo
doi:10.1038/nature04779
生化学：チアミンピロリン酸を感知するリボスイッチによる遺伝子調節の構造基盤
Structural basis for gene regulation by a thiamine pyrophosphate-sensing riboswitch p1167
Alexander Serganov, Anna Polonskaia, Anh Tuân Phan, Ronald R. Breaker and Dinshaw J. Patel
doi:10.1038/nature04740
日本語要約 | Full Text | PDF (1,000K) | Supplementary information
生化学：S‐アデノシルメチオニンリボスイッチ調節mRNAエレメントの構造
Structure of the S-adenosylmethionine riboswitch regulatory mRNA element p1172
Rebecca K. Montange and Robert T. Batey
doi:10.1038/nature04819
Retraction: Induction of DNA methylation and gene silencing by short interfering RNAs in human cells p1176
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Technology Features
Cell sorting: Divide and conquer p1179
A key element of performing good cell-biology experiments is starting with exactly the right cells. Michael Eisenstein takes a look at the technologies that can make this possible.
Michael Eisenstein
doi:10.1038/4411179a
Cell sorting: The gentle touch p1179
doi:10.1038/4411179b
Cell sorting: Playing the field p1181
doi:10.1038/4411181a
Cell sorting: The guiding light p1183
doi:10.1038/4411183a
