Anti-Influenza Virus Activity of Adlay Tea Components     

Nagai  Emiko  Iwai  Miwa  Koketsu  Ritsuko  Okuno  Yoshinobu  Suzuki  Yuri  Morimoto  Ryosuke  Sumitani  Hidenobu  Ohshima  Atsushi  Enomoto  Toshiki  Isegawa  Yuji 《Plant foods for human nutrition (Dordrecht, Netherlands)》2019,74(4):538-543

Plant Foods for Human Nutrition - Our previous study showed anti-influenza virus activity in adlay tea prepared from adlay seeds, naked barley seeds, soybean, and cassia seeds. In this study, we...  相似文献   

Molecular cloning and expression analysis of cDNAs encoding a putative Nrt2 nitrate transporter from peach     

Nakamura Y  Umemiya Y  Masuda K  Inoue H  Fukumoto M 《Tree physiology》2007,27(4):503-510

  相似文献   

The chromosome regions for increasing early growth in rice: role of sucrose biosynthesis and NH4+ uptake     

Yuki Nagai  Kouichi Matsumoto  Yuri Kakinuma  Kazuhiro Ujiie  Ken Ishimaru  Dananjali M. Gamage  Michael Thompson  Paul J. Milham  Saman Seneweera  Naoki Hirotsu 《Euphytica》2016,211(3):343-352

  相似文献   

Estimating the ecological,economic and social impacts of ocean acidification and warming on UK fisheries          下载免费PDF全文

Jose A Fernandes  Eleni Papathanasopoulou  Caroline Hattam  Ana M Queirós  William W W L Cheung  Andrew Yool  Yuri Artioli  Edward C Pope  Kevin J Flynn  Gorka Merino  Piero Calosi  Nicola Beaumont  Melanie C Austen  Stephen Widdicombe  Manuel Barange 《Fish and Fisheries》2017,18(3):389-411

Assessments of the combined ecological impacts of ocean acidification and warming (OAW) and their social and economic consequences can help develop adaptive and responsive management strategies in the most sensitive regions. Here, available observational and experimental data, theoretical, and modelling approaches are combined to project and quantify potential effects of OAW on the future fisheries catches and resulting revenues and employment in the UK under different CO₂ emission scenarios. Across all scenarios, based on the limited available experimental results considered, the bivalve species investigated were more affected by OAW than the fish species considered, compared with ocean warming alone. Projected standing stock biomasses decrease between 10 and 60%. These impacts translate into an overall fish and shellfish catch decrease of between 10 and 30% by 2020 across all areas except for the Scotland >10 m fleet. This latter fleet shows average positive impacts until 2050, declining afterwards. The main driver of the projected decreases is temperature rise (0.5–3.3 °C), which exacerbate the impact of decreases in primary production (10–30%) in UK fishing waters. The inclusion of the effect of ocean acidification on the carbon uptake of primary producers had very little impact on the projections of potential fish and shellfish catches (<1%). The <10 m fleet is likely to be the most impacted by‐catch decreases in the short term (2020–50), whereas the effects will be experienced more strongly by the >10 m fleet by the end of the century in all countries. Overall, losses in revenue are estimated to range between 1 and 21% in the short term (2020–50) with England and Scotland being the most negatively impacted in absolute terms, and Wales and North Ireland in relative terms. Losses in total employment (fisheries and associated industries) may reach approximately 3–20% during 2020–50 with the >10 m fleet and associated industries bearing the majority of the losses.  相似文献   

A Collagen Basketweave from the Giant Squid Mantle as a Robust Scaffold for Tissue Engineering     

Anastasia Frolova  Nadezhda Aksenova  Ivan Novikov  Aitsana Maslakova  Elvira Gafarova  Yuri Efremov  Polina Bikmulina  Vadim Elagin  Elena Istranova  Alexandr Kurkov  Anatoly Shekhter  Svetlana Kotova  Elena Zagaynova  Peter Timashev 《Marine drugs》2021,19(12)

The growing applications of tissue engineering technologies warrant the search and development of biocompatible materials with an appropriate strength and elastic moduli. Here, we have extensively studied a collagenous membrane (GSCM) separated from the mantle of the Giant squid Dosidicus Gigas in order to test its potential applicability in regenerative medicine. To establish the composition and structure of the studied material, we analyzed the GSCM by a variety of techniques, including amino acid analysis, SDS-PAGE, and FTIR. It has been shown that collagen is a main component of the GSCM. The morphology study by different microscopic techniques from nano- to microscale revealed a peculiar packing of collagen fibers forming laminae oriented at 60–90 degrees in respect to each other, which, in turn, formed layers with the thickness of several microns (a basketweave motif). The macro- and micromechanical studies showed high values of the Young’s modulus and tensile strength. No significant cytotoxicity of the studied material was found by the cytotoxicity assay. Thus, the GSCM consists of a reinforced collagen network, has high mechanical characteristics, and is non-toxic, which makes it a good candidate for the creation of a scaffold material for tissue engineering.  相似文献   

Pyrethroid neurotoxicity studies with bifenthrin indicate a mixed Type I/II mode of action     

Derek W Gammon  Zhiwei Liu  Appavu Chandrasekaran  Shaaban F El‐Naggar  Yuri A Kuryshev  Sharon Jackson 《Pest management science》2019,75(4):1190-1197

  相似文献   

Spray pollination as a labor-saving pollination system in Japanese pear (Pyrus pyrifolia (Burm.f.) Nakai): Development of the suspension medium     

Daisuke Sakamoto  Hiroko HayamaAkiko Ito  Yoshiki KashimuraTakaya Moriguchi  Yuri Nakamura 《Scientia Horticulturae》2009

Effects of suspension media used for spray pollination on pollen grain viability were investigated in Japanese pear (Pyrus pyrifolia (Burm.f.) Nakai ‘Kosui’). The suspension media tested in this study consisted of pectin methylesterase (PME) and polygalacturonase (PG) combined with either 0.1% agar or 0.04% xanthangum (XG). We also evaluated the influences of spray pollination on fruit set and fruit quality. Pollen grain viability, as measured by germination and pollen tube growth rates, was maintained in media supplemented with 0.1 mg L⁻¹ PME or 0.1 mg L⁻¹ PG. The level of fruit set after spray pollination using media containing PME or PG in combination with either 0.1% agar or 0.04% XG was almost the same as the level after artificial pollination by hand (hand pollination). The media containing XG combined with either PME or PG seemed to show better results for pollen grain viability and fruit set, although the results were variable from year to year. With regard to fruit size, shape and other parameters for fruit quality, spray pollination and hand pollination gave comparable results, irrespective of the medium composition. The time required for spray pollination was less than half of that required for hand pollination, and the amount of pollen grain required for spray pollination was one-third or less than the amount required for hand pollination. Thus, spray pollination may be a time- and labor-saving pollination system for the cultivation of Japanese pear.  相似文献   

Correlation between polyovules and number of pistil lobes (stigmatic rays) in sugar beet (Beta vulgaris L.)     

Yuri Shavrukov  Masao Kawakatsu  Masakatsu Tanaka 《Euphytica》2000,111(1):17-21

The polyovules phenomenon in sugar beet has the same importance for breeding as multigermity, because only mono-ovulic monogerm plants can be used for mechanized cultivation. The polyovules trait was investigated in two Japanese lines, mono-ovulic line NK-219-O and polyovulic line NK-183-cms. Plants of the former had three pistil lobes (stigmatic rays) in each flower, a single ovule per ovary, a single seed in the mature fruit and a single seedling germinated in subsequent tests. Plants of the latter had 5–6 pistil lobes in each flower, 2–3 ovules per ovary, double-seeds and double-seedlings. The correlations between a Pistil Lobes Index (PLI) and thenumber of ovules per ovary, percentage of double-seeds inan X-ray test, and percentage of double-seedlings in germination tests were 0.885, 0.838, and 0.749, respectivelyindicating close associations. These results are important both in sugar beet breeding for indirect selection to eliminate the undesirable polyovules trait and for botanicalinvestigations of the relationship among different parts of the gynoecium.  相似文献   

Collection,preservation and distribution of Oryza genetic resources by the National Bioresource Project RICE (NBRP-RICE)     

Yutaka Sato  Katsutoshi Tsuda  Yoshiyuki Yamagata  Hiroaki Matsusaka  Hiromi Kajiya-Kanegae  Yuri Yoshida  Ayumi Agata  Kim Nhung Ta  Sae Shimizu-Sato  Toshiya Suzuki  Misuzu Nosaka-Takahashi  Takahiko Kubo  Shoko Kawamoto  Ken-Ichi Nonomura  Hideshi Yasui  Toshihiro Kumamaru 《Breeding Science》2021,71(3):291

Biological resources are the basic infrastructure of bioscience research. Rice (Oryza sativa L.) is a good experimental model for research in cereal crops and monocots and includes important genetic materials used in breeding. The availability of genetic materials, including mutants, is important for rice research. In addition, Oryza species are attractive to researchers for both finding useful genes for breeding and for understanding the mechanism of genome evolution that enables wild plants to adapt to their own habitats. NBRP-RICE contributes to rice research by promoting the usage of genetic materials, especially wild Oryza accessions and mutant lines. Our activity includes collection, preservation and distribution of those materials and the provision of basic information on them, such as morphological and physiological traits and genomic information. In this review paper, we introduce the activities of NBRP-RICE and our database, Oryzabase, which facilitates the access to NBRP-RICE resources and their genomic sequences as well as the current situation of wild Oryza genome sequencing efforts by NBRP-RICE and other institutes.  相似文献   

Early development of the silver catfish Rhamdia quelen (Quoy & Gaimard, 1824) (Pisces:Heptapteridae) from the São Francisco River Basin, Brazil     

Marcelo Pimenta de Amorim  Bruno Vilaça Campos Gomes  Yuri Simões Martins  Yoshimi Sato  Elizete Rizzo  & Nilo Bazzoli 《Aquaculture Research》2009,40(2):172-180

The silver catfish, Rhamdia quelen , is endemic to North, Central and South America with high aquaculture potential and wide acceptance in the market. Breeder fish were subjected to induced reproduction through hypophysation using a crude common carp pituitary extract. Egg characteristics, oocyte surface ultrastructure and histology of larval ontogenesis until whole yolk resorption were described for the first time for this species. Oocytes and semen were obtained by manual extrusion, and fertilization was conducted using the dry method. After fertilization, eggs were kept in incubators at 24 °C. The embryonic development was monitored using a stereomicroscope every 10 min until hatching. To analyse the larval development, larvae samples were collected from incubators daily until the fifth day, fixed in Bouin's fluid and subjected to routine histological techniques. The oocyte extrusion occurred 8 h after the second hormone dose at 26 °C. The oocytes were spherical, non-adhesive and yellow, with a diameter of 1471.75±47.63 μm. Scanning electron microscopy revealed a thin jelly coat covering the zona radiata in the animal pole around the micropyle. The blastopore closure occurred within 8 h after fertilization, and the fertilization rate was 79.9±5.2% at 24 °C. Embryonic development was completed within 25 h 30 min after fertilization. The complete resorption of the yolk and the formation of the digestive system organs and the mouth opening occurred on the fifth day, indicating a need for exogenous feeding. The results of this study provide information important for improvement in R. quelen culture and management.  相似文献