Anti-inflammatory and Intestinal Barrier–protective Activities of Commensal Lactobacilli and Bifidobacteria in Thoroughbreds: Role of Probiotics in Diarrhea Prevention in Neonatal Thoroughbreds     

Soichi TANABE  Takuya SUZUKI  Yuichiro WASANO  Fumihiko NAKAJIMA  Hiroshi KAWASAKI  Tomonori TSUDA  Natsuko NAGAMINE  Takashi TSURUMACHI  Kiyoshi SUGAYA  Hiroaki AKITA  Misako TAKAGI  Kuniaki TAKAGI  Yoshinobu INOUE  Yo ASAI  Hidetoshi MORITA 《Journal of Equine Science》2014,25(2):37-43

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Complete mitochondrial DNA sequence of the Japanese anchovy Engraulis japonicus   总被引：2，自引：0，他引：2  

Jun G Inoue  Masaki Miya  Katsumi Tsukamoto  Mutsumi Nishida 《Fisheries Science》2001,67(5):828-835

ABSTRACT: The complete nucleotide sequence of the mitochondrial genome for the Japanese anchovy Engraulis japonicus (Teleostei: Clupeiformes) was determined. The entire genome was purified by gene amplification using the long polymerase chain reaction (PCR) technique, and products were subsequently used as templates for PCR with 56 fish-versatile primers that amplify contiguous, overlapping segments of the entire genome. Direct sequencing of the PCR products demonstrated that the genome (16 675 base pairs [bp]) contained the same 37 mitochondrial genes (two ribosomal RNA, 22 transfer RNA and 13 protein-coding genes) as those found in other vertebrates, with the gene order being identical to that in typical vertebrates. A major non-coding region between the tRNA^Pro and tRNA^Phe genes (1024 bp) was considered to be the control (D-loop) region, as it has several conservative blocks characteristic to this region.  相似文献   

Distribution and seasonal activity variation of proteases in digestive tract of sea cucumber Stichopus japonicus     

Xueyan Fu  Changhu Xue  Benchun Miao  Zhaojie Li  Xin Gao  Takashi Hirata 《Fisheries Science》2006,72(5):1130-1132

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Morphological characteristics of Nigorobuna <Emphasis Type="Italic">Carassius auratus grandoculis</Emphasis> called Io in Lake Nishino     

Takashi?SuzukiEmail author  Hajime?Nagano  Toru?Kobayashi  Koichi?Ueno 《Fisheries Science》2005,71(3):679-681

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Comparison of environmental conditions in two representative oyster farming areas: Hiroshima Bay,western Japan and Oginoham a Bay (a branch of Ishinomaki Bay), northern Japan   总被引：1，自引：0，他引：1  

Takashi?KamiyamaEmail author  Hiroyuki?Yamauchi  Takuro?Iwai  Shoichi?Hanawa  Yukihiko?Matsuyama  Satoshi?Arima  Yuichi?Kotani 《Fisheries Science》2005,71(6):1295-1303

ABSTRACT:   Sea water environmental conditions over annual cycles were investigated and compared between two oyster farming areas, western Hiroshima Bay and Oginohama Bay (a branch of Ishinomaki Bay) in Miyagi Prefecture, to appropriately manage oyster culture or more efficiently utilize farming areas. The environmental parameters of temperature, salinity, nutrient concentrations (NO₂–N, NO₃–N, NH₄–N, PO₄–P, and SiO₂–Si) and size-fractionated chlorophyll- a (<0.2, 2–20, >20µm), and abundances of microzooplankton were measured in each bay at the surface, and 2 and 5 m depth layers. Differences in the annual mean values and results with monthly paired Student's t -tests showed that salinity was lower, and temperature, nutrient (especially PO₄–P) and chlorophyll- a concentrations, and abundance of microzooplankton, were higher in Hiroshima Bay than in Oginohama Bay. Differences in environmental conditions between inshore and offshore areas of each bay suggest that inflows of river water in western Hiroshima Bay and sea water from offshore had the most significant effects on the environmental conditions. It is concluded that such oceanographic and biological differences strongly affect the oyster farming system, especially regarding the optimum usage of offshore areas in Summer under clean, cold and stable seawater conditions, rather than food quantity in Hiroshima Bay, and under more abundant food conditions in Oginohama Bay.  相似文献   

Refined calculation model for NaLA, a fishing net shape simulator, applicable to gill nets   总被引：1，自引：0，他引：1  

Takashi  SHIMIZU  Tsutomu  TAKAGI  Katsuya  SUZUKI  Tomonori  HIRAISHI  Katsutaro  YAMAMOTO 《Fisheries Science》2004,70(3):401-411

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Evaluation of technologies for sequestering carbon in agricultural land by using organic filter underdrains     

Iwao Kitagawa  Yasutaka Tsukamoto 《Paddy and Water Environment》2014,12(2):287-294

Technology for storing carbon in the subsoil of agricultural land using organic filter materials in underdrains was evaluated as an activity for sequestering CO₂ to mitigate global warming. First, the quantity of carbon remaining in wood chips and rice husks in underdrains was determined over 11 years after construction. Moreover, the quantity of CO₂ emissions from the construction of two underdrain types was calculated. Then, a survey was conducted to investigate the effect on greenhouse gas emissions of the filter material. The results indicate that greenhouse gas emissions would not increase. The quantity of storage carbon in the wood chip filter material of underdrains during their 15-year service life was estimated to be 6.76 tCO₂eq ha^?1. Rice husks, in contrast, were found ineffective in storing carbon. Therefore, the selection of the filter material for underdrains is important. The value of storage carbon in the wood chip filter material is similar to the amount of carbon sequestered by no-till farming, which is now being implemented as a global warming countermeasure based on soil management in agricultural land.  相似文献   

Diving behavior of immature, feeding Pacific bluefin tuna (Thunnus thynnus orientalis) in relation to season and area: the East China Sea and the Kuroshio–Oyashio transition region     

Takashi Kitagawa  Shingo Kimura  Hideaki Nakata  Harumi Yamada 《Fisheries Oceanography》2004,13(3):161-180

Twenty‐four archival tags were recovered from Pacific bluefin tuna previously released off Tsushima Island in the East China Sea. By analysis of the time‐series data of the pressure and the ambient and internal temperature from the 24 tags, we examined the relationship between the tuna's pattern of diving and the thermocline depth. In the East China Sea, diving and feeding events occurred throughout almost the entire day in both winter and summer, suggesting that the purpose of diving is for feeding. In summer, the feeding frequency was greater than that in winter, which corresponds to the fact that growth is more rapid in summer than in winter. During summer in the Kuroshio–Oyashio transition region, on the other hand, feeding events were much more frequent than those in the East China Sea, in spite of a lower diving frequency. The mean horizontal distance traveled was also significantly higher and it seems that in this area they may move horizontally to feed on prey accumulated at the surface. We conclude that, in addition to the ambient temperature structure, the vertical and horizontal distribution of prey species plays an important role in the feeding behavior of Pacific bluefin tuna. One bluefin tuna migrated to the Oyashio frontal area, where both the horizontal and the vertical thermal gradients are much steeper. The fish spent most of the time on the warmer side of the front and often traveled horizontally to the colder side during the day, perhaps to feed. This implies that there is a thermal barrier effect, in this case from the Oyashio front, on their behavior. The frequency of feeding events was low, although all the monitored fish dived every dawn and dusk, irrespective of the seasons or location. It is possible that these twice‐daily diving patterns occurred in response to the change in ambient light at sunrise and sunset.  相似文献   

Isolation of purple nor-carotenoid, 2′, 3′-dihydroroserythrin,from crawfish <Emphasis Type="Italic">Procambarus clarkii</Emphasis>     

Takashi Maoka  Seiichi Ando 《Fisheries Science》2007,73(4):967-968

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Increase of otolith Sr:Ca ratio related to metamorphosis and maturation in anchovy <Emphasis Type="Italic">Engraulis japonicus</Emphasis>     

Hiromu Zenitani  Naoaki Kono  Youichi Tsukamoto  Noritaka Mochioka 《Fisheries Science》2007,73(6):1395-1397

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