2018年10月26日金曜日

研究室セミナー & 10/9〜26 の輪読

先週から研究室セミナーでの文献紹介が再開しました.

先週の担当は化学生態学研究室博士 3 年の武井さんで,下記の論文を紹介しました.

Hartmann, M. et al. (2018). Flavin monooxygenase-generated n-hydroxypipecolic acid is a critical element of plant systemic immunity. Cell 173: 456–469.

今週の担当は修士 2 年の大垣君で,下記の論文を紹介しました.

Wang, Y., Jäger, A., Gruner, M., Lübken, T., and Metz, P. (2017). Enantioselective total synthesis of 3β-hydroxy-7β-kemp-8(9)-en-6-one, a diterpene isolated from higher termites. Angew. Chem. Int. Ed. 56: 15861–15865.

10/9〜26 の輪読では以下の論文を取り上げました.

1386. Li, W., Zhou, F., and Pichersky, E. (2018). Jasmone hydroxylase, a key enzyme in the synthesis of the alcohol moiety of pyrethrin insecticides. Plant Physiol. 177: 1498–1509.

1387. Takeda, Y. et al. (2018). Downregulation of p-COUMAROYL ESTER 3-HYDROXYLASE in rice leads to altered cell wall structures and improves biomass saccharification. Plant J. 95: 796–811.

1388. Toyomasu, T. et al. (2018). Characterization of diterpene synthase genes in the wild rice species Oryza brachyatha provides evolutionary insight into rice phytoalexin biosynthesis. Biochem. Biophys. Res. Commun. 503: 1221–1227.

1389. Kuroha, T. et al. (2018). Ethylene-gibberellin signaling underlies adaptation of rice to periodic flooding. Science 361: 181–186.

1390. Zhang, K.-L. et al. Herbivore-induced rice resistance against rice blast mediated by salicylic acid. Insect Sci. in press.

1391. Zhang, X. et al. (2018). A positive charged patch and stabilized hydrophobic core are essential for avirulence function of AvrPib in the rice blast fungus. Plant J. 96: 133–146.

1392. Pelot, K.A. et al. (2018). Pelot, K.A. et al. (2018). Functional diversity of diterpene synthases in the biofuel crop switchgrass. Plant Physiol. 178: 54–71.

1393. Salvador-Guirao, R. et al. OsDCL1a activation impairs phytoalexin biosynthesis and compromises disease resistance in rice. Ann. Bot. in press.

1394. Hu, L. et al. (2018). Root exudate metabolites drive plant-soil feedbacks on growth and defense by shaping the rhizosphere microbiota. Nat. Commun. 9: 2738.

1395. Pedras, M.S.C., and Abdoli, A. (2018). Methoxycamalexins and related compounds: syntheses, antifungal activity and inhibition of brassinin oxidase. Bioorg. Med. Chem. 26: 4461–4469.

1396. Gallego-Giraldo, L. et al. (2018). Elicitors and defense gene induction in plants with altered lignin compositions. New Phytol. 219: 1235–1251.

1397. Nishiguchi, S. et al. (2018). Accumulation of 9- and 13-KODEs in response to jasmonic acid treatment and pathogenic infection in rice. J. Pestic. Sci. 43: 191–197.

2018年10月6日土曜日

研究室中間発表会&今週の輪読

10 月になったので,今週から化学生態学研究室と合同の研究室セミナーが再開しました.今週と来週は中間発表会です.来年度卒論配属予定の 3 年生も参加しました.

今週の輪読は下記の論文を取り上げました.

1384. Yan, Y. et al. (2018). Resistance-gene-directed discovery of a natural-product herbicide with a new mode of action. Nature 559: 415–418.

1385. De la Concepcion, J.C. et al. (2018). Polymorphic residues in rice NLRs expand binding and response to effectors of the blast pathogen. Nat. Plants 4: 576–585.

2018年9月28日金曜日

後期授業開始&今週の輪読

茨城大学は 9/28(金)から後期の授業が始まりました.大学の後期というのは長い間 10/1 スタートだったのですが,最近は授業日程が非常にタイトになっていて,10/1 開始では間に合わないのです.そうなった理由は 15 回の授業と期末試験で 16 週を確保することが絶対になっていることと,クォーター制という一年を 4 分割したスケジュールでの授業も開講されているためです.

今週の輪読は下記の論文を取り上げました.

1384. Laura, B., Silvia, P., Francesca, F., Benedetta, S., and Carla, C. (2018). Epigenetic control of defense genes following MeJA-induced priming in rice (O. sativa). J. Plant Physiol. 228: 166–177.

1385. Boutanaev, A.M., and Osbourn, A.E. (2018). Multigenome analysis implicates miniature inverted-repeat transposable elements (MITEs) in metabolic diversification in eudicots. Proc. Natl. Acad. Sci. USA 115: E6650–E6658.

1386. Lin, S. et al. (2018). Quantitative proteomic analysis provides insights into rice defense mechanisms against Magnaporthe oryzae. Int. J. Mol. Sci. 19: 1950.

1387. Meng, Q. et al. A proteomic insight into the MSP1 and flg22 induced signaling in Oryza sativa leaves. J. Proteomics in press.

2018年9月21日金曜日

今週の輪読

今週の輪読は下記の論文を取り上げました.

1382. Jeong, H. et al. (2018). Hepatic metabolism of sakuranetin and its modulating effects on cytochrome P450s and UDP-glucuronosyltransferases. Molecules 23: 1542.

1383. Fiorilli, V. et al. (2018). Omics approaches revealed how arbuscular mycorrhizal symbiosis enhances yield and resistance to leaf pathogen in wheat. Sci. Rep. 8: 9625.

 

 

2018年9月14日金曜日

今週の輪読

今週の輪読は下記の論文を取り上げました.

1377. Hu, L. et al. (2018). OsLRR-RLK1, an early responsive leucine-rich repeat receptor-like kinase, initiates rice defense responses against a chewing herbivore. New Phytol. 219: 1079–1111.

1378. Persaud, R., and Saravanakumar, D. (2018). Differential expression of proteins in resistant and susceptible rice genotypes against blast infection. Physiol. Mol. Plant Pathol. 103: 62–70.

1379. Ge, Y. et al. Silencing of miR156 confers enhanced resistance to brown planthopper in rice. Planta in press.

1380. Ishimaru, Y. et al. (2018). Jasmonic acid inhibits auxin-induced lateral rooting independently of the CORONATINE INSENSITIVE 1 receptor. Plant Physiol. 177: 1704–1716.

1381. Suárez, I. et al. (2018). Structural and biosynthetic studies on eremophilenols related to the phytoalexin capsidiol, produced by Botrytis cinerea. Phytochemistry 154: 10–18.

2018年9月7日金曜日

今週の輪読

今週の輪読は下記の論文を取り上げました.

1372. Mine, A. et al. (2018). The defense phytohormone signaling network enables rapid, high-amplitude transcriptional reprogramming during effector-triggered immunity. Plant Cell 30: 1199–1219.

1373. Ai, Y., and Zhu, Z. (2018). Melatonin antagonizes jasmonate-triggered anthocyanin biosynthesis in Arabidopsis thaliana. J. Agric. Food Chem. 66: 5392–5400.

1374. Chen, X. et al. (2018). A pathogenesis-related 10 protein catalyzes the final step in thebaine biosynthesis. Nat. Chem. Biol. 14: 738–743.

1375. Wang, Z. et al. (2018). Overexpression of OsPGIP2 confers Sclerotinia sclerotiorum resistance in Brassica napus through increased activation of defense mechanisms. J. Exp. Bot. 69: 3141–3155.

1376. Yoo, Y. et al. (2018). Lack of a cytoplasmic RLK, required for ROS homeostasis, induces strong resistance to bacterial leaf blight in rice. Front. Plant Sci. 9: 577.

2018年8月31日金曜日

今週の輪読

今週の輪読は下記の論文を取り上げました.

1367. Xu, Y. et al. (2018). Leaf stage-associated resistance is correlated with phytohormones in a pathosystem-dependent manner. J. Integr. Plant Biol. 60: 703–722.

1368. Nakayasu, M. et al. (2018). JRE4 is a master transcriptional regulator of defense-related steroidal glycoalkaloids in tomato. Plant J. 94: 975–990.

1369. Cai, Q. et al. (2018). Plants send small RNAs in extracellular vesicles to fungal pathogen to silence virulence genes. Science 360: 1126–1129.

1370. Ohtaka, K., Hori, K., Kanno, Y., Seo, M., and Ohta, H. (2017). Primitive auxin response without TIR1 and Aux/IAA in the charophyte alga Klebsormidium nitens. Plant Physiol. 174: 1621–1632.

1371. Ngoc Minh, T. et al. (2018). Momilactones A and B: optimization of yields from isolation and purification. Separations 5: 28.