研究者詳細 - 吉岡　博文

論文 - 吉岡　博文

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Properties of fluctuations in two coupled chains of Luttinger liquids

Yoshioka, H; Suzumura, Y

JOURNAL OF LOW TEMPERATURE PHYSICS 106 巻 ( 1-2 ) 頁： 49 - 72 1997年1月

Topological dislocations and mixed state of charge density waves

Hayashi, M; Yoshioka, H

PHYSICAL REVIEW LETTERS 77 巻 ( 16 ) 頁： 3403 - 3406 1996年10月

A cytosolic phospholipase A2 from potato tissues appears to be patatin. 査読有り

Senda, K, Yoshioka, H, Doke, N, Kawakita, K

Plant and Cell Physiology 37 巻頁： 347-353 1996年1月

ROLES OF INTERCHAIN HOPPING IN 2 COUPLED CHAINS OF TOMONAGA MODEL

YOSHIOKA, H; SUZUMURA, Y

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 64 巻 ( 10 ) 頁： 3811 - 3825 1995年10月

Suppression of the activation of chitinase and β-1,3-glucanase in pea epicotyls by eogenous suppressor from Pisam sativum. 査読有り

Nasu, K, Yoshioka, H, Ichinose, Y, Yamada, T, Oku, H, Shiraishi, T

Annals of the Phytopathological Society of Japan 61 巻頁： 13-17 1995年1月

Suppression of phenylalanine ammonia-lyase mRNA accumulation by suppressors from Phytophthora infestans. 査読有り

Yoshioka, H, Hayakawa, Y, Doke, N

Annals of the Phytopathological Society of Japan 61 巻 ( 1 ) 頁： 7-12 1995年

THE X-RAY TELESCOPE ON BOARD ASCA

SERLEMITSOS, PJ; JALOTA, L; SOONG, Y; KUNIEDA, H; TAWARA, Y; TSUSAKA, Y; SUZUKI, H; SAKIMA, Y; YAMAZAKI, T; YOSHIOKA, H; FURUZAWA, A; YAMASHITA, K; AWAKI, H; ITOH, M; OGASAKA, Y; HONDA, H; UCHIBORI, Y

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 47 巻 ( 1 ) 頁： 105 - 114 1995年

SUPPRESSORS - DETERMINANTS OF SPECIFICITY PRODUCED BY PLANT-PATHOGENS 招待有り査読有り

T SHIRAISHI, T YAMADA, K SAITOH, T KATO, K TOYODA, H YOSHIOKA, HM KIM, Y ICHINOSE, M TAHARA, H OKU

PLANT AND CELL PHYSIOLOGY 35 巻 ( 8 ) 頁： 1107 - 1119 1994年12月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：JAPANESE SOC PLANT PHYSIOLOGISTS

Plant pathogens secrete suppressors that delay or prevent the host defense responses, with resultant conditioning of host cells such that they become susceptible even to avirulent or nonpathogenic microorganisms. Suppressors have been characterized as glycoproteins, glycopeptides, peptides and anionic and nonanionic glucans. A suppressor itself is non-toxic to plant cells and, thus, it can be distinguished from host-specific toxins produced by certain pathogens. Suppressors disturb fundamental functions of host plasma membranes. For example, the suppressor from a pea pathogen, Mycosphaerella pinodes, inhibits both the ATPase activity and polyphosphoinositide metabolism in pea plasma membranes, causing the temporary suppression of the signal-transduction pathway that leads to the expression of defense genes, which encode key enzymes in the biosynthetic pathway to phytoalexin. In this review, evidence for the role of suppressors in the determination of plant host-parasite specificity is summarized.

Web of Science

植物病原糸状菌レースと宿主品種間の寄生特異性の決定機構．招待有り

道家紀志, 吉岡博文

植物細胞工学 5 巻 ( 1 ) 頁： 19-27 1993年

AN ENDOGENOUS SUPPRESSOR OF THE DEFENSE RESPONSE IN PISUM-SATIVUM 査読有り

K NASU, T SHIRAISHI, H YOSHIOKA, N HORI, Y ICHINOSE, T YAMADA, H OKU

PLANT AND CELL PHYSIOLOGY 33 巻 ( 5 ) 頁： 617 - 626 1992年7月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：JAPANESE SOC PLANT PHYSIOLOGISTS

Healthy pea plants contain a substance, tentatively called "endogenous suppressor", which specifically suppresses the accumulation of pisatin in pea plants that is induced by treatment with CuCl2 or an elicitor from Mycosphaerella pinodes. This suppressor elicits the accumulation of phytoalexins in other legumes, such as kidney bean, soybean and cowpea. The endogenous suppressor functions to delay the accumulation of pisatin, the activation of phenylalanine ammonialyase (PAL) and the accumulation of mRNAs for PAL and chalcone synthase induced by the elicitor from M. pinodes. The substance specifically induces susceptibility to nonpathogens, such as Mycosphaerella ligulicola and M. melonis, in pea out of four species of legume tested, but the effect is not cultivar-specific. Thus, the endogenous suppressor in healthy pea plants suppresses a series of self-defense reactions and induces susceptibility in pea plants in a species-specific manner, being similar to the exogenous fungal suppressor from the pea pathogen, M. pinodes.

Web of Science

PREPARATION OF THE INFECTION COURT BY ERYSIPHE-GRAMINIS F-SP HORDEI - CUTINASE IS A COMPONENT OF THE CONIDIAL EXUDATE 査読有り

SF PASCHOLATI, H YOSHIOKA, H KUNOH, RL NICHOLSON

PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY 41 巻 ( 1 ) 頁： 53 - 59 1992年7月

REGULATION OF POLYPHOSPHOINOSITIDE METABOLISM IN PEA PLASMA-MEMBRANES BY ELICITOR AND SUPPRESSOR FROM A PEA PATHOGEN, MYCOSPHAERELLA-PINODES 査読有り

K TOYODA, T SHIRAISHI, H YOSHIOKA, T YAMADA, Y ICHINOSE, H OKU

PLANT AND CELL PHYSIOLOGY 33 巻 ( 4 ) 頁： 445 - 452 1992年6月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：OXFORD UNIV PRESS

Effects of the elicitor and the suppressor from a pea pathogen, Mycosphaerella pinodes, on polyphosphoinositide metabolism in pea plasma membranes were examined in vitro. Lipid phosphorylation in the isolated pea plasma membrane was drastically stimulated by the elicitor, but markedly inhibited by the suppressor. A similar inhibitory effect was observed by the treatment with orthovanadate or K-252a that blocked pisatin production induced by the elicitor. Neomycin, an aminoglycoside antibiotic that interacts with the polyphosphoinositide metabolism, also affected the lipid phosphorylation in vitro and blocked the elicitor-induced accumulation of pisatin in vivo. These results suggest that rapid changes of polyphosphoinositide metabolism in pea plasma membranes is one of indispensable processes during the elicitation of defense responses.

Web of Science

ORTHOVANADATE SUPPRESSES ACCUMULATION OF PHENYLALANINE AMMONIA-LYASE MESSENGER-RNA AND CHALCONE SYNTHASE MESSENGER-RNA IN PEA EPICOTYLS INDUCED BY ELICITOR FROM MYCOSPHAERELLA-PINODES 査読有り

H YOSHIOKA, T SHIRAISHI, S KAWAMATA, K NASU, T YAMADA, Y ICHINOSE, H OKU

PLANT AND CELL PHYSIOLOGY 33 巻 ( 2 ) 頁： 201 - 204 1992年3月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：JAPANESE SOC PLANT PHYSIOLOGISTS

Orthovanadate delayed accumulation of mRNAs encoding phenylalanine ammonia-lyase and chalcone synthase in pea epicotyls induced by an elicitor from Mycosphaerella pinodes. However, accumulation of mRNA for a putative P-type ATPase was not affected. The relationship between the ATPase and defense responses is discussed.

Web of Science

Suppression of the activation of chitinase and β-1,3-glucanase in pea epicotyls by orthonadate and a suppressor from Mycosphaerella pinodes. 査読有り

Yoshioka, H, Shiraishi, T, Yamada, T, Nasu, K, Ichinose, Y, Oku, H

Annals of the Phytopathological Society of Japan 58 巻 ( 3 ) 頁： 405-410 1992年

SUPPRESSOR PRODUCTION AS A KEY FACTOR FOR FUNGAL PATHOGENESIS 査読有り

T SHIRAISHI, T YAMADA, H OKU, H YOSHIOKA

MOLECULAR STRATEGIES OF PATHOGENS AND HOST PLANTS 頁： 151 - 162 1991年

エンドウ動的遺伝子の発現機構．招待有り

山田哲治, 白石友紀, 一瀬勇規, 奥八郎, 川又伸治, 田中良和, Spirasertsak, P, 安成才, 吉岡博文, 橋本忠明

生物相互間の認識機構 27 巻頁： 56-65 1991年

SUPPRESSION OF PISATIN PRODUCTION AND ATPASE ACTIVITY IN PEA PLASMA-MEMBRANES BY ORTHOVANADATE, VERAPAMIL AND A SUPPRESSOR FROM MYCOSPHAERELLA-PINODES 査読有り

H YOSHIOKA, T SHIRAISHI, T YAMADA, Y ICHINOSE, H OKU

PLANT AND CELL PHYSIOLOGY 31 巻 ( 8 ) 頁： 1139 - 1146 1990年12月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：JAPANESE SOC PLANT PHYSIOLOGISTS

A pea pathogen, Mycosphaerella pinodes, secretes both an elicitor and a suppressor for the accumulation of pisatin, a major phytoalexin of pea, into the spore germination fluid. The effects of elicitor and the suppressor on the ATPase activity in pea plasma membranes was examined. The ATPase was sensitive to orthovanadate and dicyclohexylcarbodiimide but insensitive to nitrate and azide; it was unaffected by the elicitor but was markedly inhibited by the suppressor (50-mu-g.ml-1, bovine serum albumin equivalents) or verapamil (100-mu-M). The accumulation of pisatin induced by the elicitor was delayed for 3 to 6 h in the presence of orthovanadate or verapamil to an extent similar to that in the presence of the suppressor. The relationship between the inhibition of plasma membrane ATPase activity and the suppression of the active defense reaction that involves the production of pisatin in the pea plant is discussed.

Web of Science

PREPARATION OF THE INFECTION COURT BY ERYSIPHE-GRAMINIS - DEGRADATION OF THE HOST CUTICLE 査読有り

H KUNOH, RL NICHOLSON, H YOSIOKA, N YAMAOKA, KOBAYASHI, I

PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY 36 巻 ( 5 ) 頁： 397 - 407 1990年5月

PREPARATION OF THE INFECTION COURT BY ERYSIPHE-GRAMINIS .1. CONTACT-MEDIATED CHANGES IN MORPHOLOGY OF THE CONIDIUM SURFACE 査読有り

H KUNOH, N YAMAOKA, H YOSHIOKA, RL NICHOLSON

EXPERIMENTAL MYCOLOGY 12 巻 ( 4 ) 頁： 325 - 335 1988年12月

PREPARATION OF THE INFECTION COURT BY ERYSIPHE-GRAMINIS .2. RELEASE OF ESTERASE ENZYME FROM CONIDIA IN RESPONSE TO A CONTACT STIMULUS 査読有り

RL NICHOLSON, H YOSHIOKA, N YAMAOKA, H KUNOH

EXPERIMENTAL MYCOLOGY 12 巻 ( 4 ) 頁： 336 - 349 1988年12月

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