22 Result(s)

Article

Who is the mother of the potato? — restriction endonuclease analysis of chloroplast DNA of cultivated potatoes

Chloroplast DNA from 44 lines of 16 wild and 7 cultivatedSolanum species were compared by restriction endonuclease analysis. Seven chloroplast genome types were identified among them by 5 restriction enzymes: Typ...

K. Hosaka in Theoretical and Applied Genetics (1986)

Article

Cultivated potato chloroplast DNA differs from the wild type by one deletion — evidence and implications

The chloroplast DNA (ctDNA) of Solanum tuberosum ssp. tuberosum (T type) and S. chacoense (W type) yield five different restriction fragment patterns with five different restriction endonucleases. DNA-DNA hybridi...

K. Hosaka, G. A. de Zoeten, R. E. Hanneman Jr. in Theoretical and Applied Genetics (1988)

Article

The origin of the cultivated tetraploid potato based on chloroplast DNA

By using restriction enzyme analysis of chloroplast DNA, a geographical cline from the Andean region to coastal Chile was found for the tetraploid potato (Solanum tuberosum). This supports the Andean origin of Ch...

K. Hosaka, R. E. Hanneman Jr. in Theoretical and Applied Genetics (1988)

Article

Origin of chloroplast DNA diversity in the Andean potatoes

Wide chloroplast DNA (ctDNA) diversity has been reported in the Andean cultivated tetraploid potato, Solanum tuberosum ssp. andigena. Andean diploid potatoes were analyzed in this study to elucidate the origin of...

K. Hosaka, R. E. Hanneman Jr. in Theoretical and Applied Genetics (1988)

Article

Seed protein variation within accessions of wild and cultivated potato species and inbredSolanum chacoense

Soluble proteins in seed potato were analyzed by electrophoresis (PAGE). The Index of Variation (IV) was calculated in order to estimate variation within each accession of wild and cultivated potato species andS....

K. Hosaka, R. E. hanneman Jr in Potato Research (1991)

Article

RFLP analysis of the wild potato species, Solanum acaule Bitter (Solanum sect. Petota)

Intraspecific variation of a wild potato species, Solanum acaule Bitt., was analyzed by RFLPs of genomic DNA. One hundred and five accessions were selected throughout the distribution area, including all subspeci...

K. Hosaka, D. M. Spooner in Theoretical and Applied Genetics (1992)

Article

Genetic relationships of Japanese potato cultivars assessed by RAPD analysis

Seventy-three breeding lines and cultivars, which included all Japanese cultivars, were assessed by random amplified polymorphic DNA (RAPD) analysis. Thirty-one of 40 decamer primers revealed 84 scorable RAPDs...

K. Hosaka, M. Mori, K. Ogawa in American Potato Journal (1994)

Article

Effects of shear flow on photosynthesis in a dilute suspension of microalgae

This study investigates the effects of shear stress on photosynthesis in dilute suspensions of Spirulina platensis and Chlorella by measuring the oxygen production rate using a coaxial, double-rotating-cylinder a...

S. Mitsuhashi, K. Hosaka, E. Tomonaga… in Applied Microbiology and Biotechnology (1995)

Article

Successive domestication and evolution of the Andean potatoes as revealed by chloroplast DNA restriction endonuclease analysis

Five chloroplast DNA (ctDNA) types (W, T, C, S, and A) have previously been identified in the Andean tetraploid cultivated potatoes (Solanum tuberosum ssp. andigena) and three types (C, S, and A) in diploid culti...

K. Hosaka in Theoretical and Applied Genetics (1995)

Article

A Novel Layer-by-layer Hetero-Epitaxy of Germanium on Silicon (100) Surface

Layer-by-layer hetero-epitaxy of Ge has been successfully demonstrated on the Si(100) surface by combining the initial IML-Ge film growth on the Si surface and the successive Ge atomic-layer-epitxy (ALE), for ...

S. Sugahara, M. Matsuyama, K. Hosaka, K. Ikeda, Y. Uchida… in MRS Online Proceedings Library (1998)

Chapter

Laser Spectroscopy of the 2S Lamb Shift in Hydrogenic Silicon

Transitions in highly charged ions are particularly sensitive to QED effects, which scale rapidly with atomic number, Z. An experiment to determine the 2S Lamb shift in hydrogenic silicon, using ions trapped in t...

H. A. Klein, H. S. Margolis, J. L. Flowers, K. Gaarde-Widdowson… in The Hydrogen Atom (2001)

Chapter

Predation of Mammals by the Chimpanzees of the Mahale Mountains, Tanzania

K. Hosaka, T. Nishida, M. Hamai, A. Matsumoto-Oda, S. Uehara in All Apes Great and Small (2001)

Chapter and Conference Paper

Towards a Measurement of the n = 2 Lamb Shift in Hydrogen-like Nitrogen Using an Electron Beam Ion Trap

Using a ¹⁴C¹⁶O₂ laser the 2s1/2-2p3/2 (fine structure — Lamb shift) transition has been induced in ¹⁴N⁶⁺ ions trapped in an electron beam ion trap. Prospects for a measurement of the Lamb shift in hydrogen-like n...

K. Hosaka, D. N. Crosby, K. Gaarde-Widdowson… in Atomic Physics at Accelerators: Stored Par… (2003)

Article

Towards a Measurement of the n=2 Lamb Shift in Hydrogen-like Nitrogen Using an Electron Beam Ion Trap

Using a ¹⁴C¹⁶O₂ laser the 2s _1/2–2p _3/2 (fine structure – Lamb shift) transition has been induced in ¹⁴N⁶⁺ ions trapped in an electron beam ion trap. Prospects for a measurement of the Lamb shift in hydrogen-like...

K. Hosaka, D. N. Crosby, K. Gaarde-Widdowson, C. J. Smith… in Hyperfine Interactions (2003)

Article

Abstracts of Poster Presentations

Megumi Iguchi, Isamu Ishiwata, Tomoharu Tamagawa, Chieko Ishiwata… in Human Cell (2004)

Chapter and Conference Paper

Mode selective Excitation of Coherent Phonons in Bismuth by Femotosecond Pulse Pair

Coherent phonons (A_1g and E_g modes) of bismuth are excited by irradiation of two femtosecond pulses. Amplitude and phase are controlled by change of intervals in a time range of vibrational period and/or optical ...

K. G. Nakamura, H. Takahashi, K. Ishioka, M. Kitajima… in Ultrafast Phenomena XVI (2009)

Chapter

14 Agaricomycetes

Agaricomycetes includes ca. 21,000 described species of mushroom-forming fungi that function as decayers, pathogens, and mutualists in both terrestrial and aquatic habitats. The morphological diversity of Agar...

D. S. Hibbett, R. Bauer, M. Binder, A. J. Giachini, K. Hosaka… in Systematics and Evolution (2014)