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Frances Calver,Robert G. Hollingsworth,Marisa Wall,Peter A. Follett 한국응용곤충학회 2019 Journal of Asia-Pacific Entomology Vol.22 No.3
Flowering plants in gardens and along roadsides on the Big Island of Hawaii were sampled for thrips and anthocorid predators of thrips. A total of 171 plant samples, comprising 859 plant sample units (e.g. flowers or flower clusters) were collected from 56 species of plants in 25 families. Adult thrips were found on 43 plant species, and 32 of these also had larval thrips of the same species, indicating the plant species was a breeding host for thrips. Five different species of anthocorids – Orius persequens, Orius tristicolor, Paratriphleps laeviusculus, Montandoniola confusa, and Blaptostethus pallescens – were collected on 22 different plant species in 10 plant families. The plants with the highest numbers of anthocorid adults and nymphs present were Macaranga tanarius (Blush Macaraga), Verbesina encelioides (Golden Crownbeard), Tithonia diversifolia (Tree Marigold), Acalypha hispida (Chenille bush), and Coreopsis lanceolata (Lance-leaf Coreopsis). Macaranga tanarius was found to be the best host plant for anthocorids, with an average of 25.5 adult and 21.1 larval anthocorids per plant sample. Orius persequens was the most abundant anthocorid on M. tanarius with average adult and larval densities of 24.1 and 17.3 per plant sample, respectively. None of the insects found in association with M. tanarius are known pests. Macaranga tanarius has great potential as a banker plant to help suppress thrips populations in greenhouse crops with anthocorid predators.
Youn, Ui Joung,Park, Eun-Jung,Kondratyuk, Tamara P.,Sang-Ngern, Mayuramas,Wall, Marisa M.,Wei, Yanzhang,Pezzuto, John M.,Chang, Leng Chee American Chemical Society and American Society of 2016 Journal of natural products Vol.79 No.6
<P>A new fatty acid ester disaccharide, 2-O-(beta-D-glucopyranosyl)-1-O-(2E,4Z,7Z)-deca-2,4,7-trienoyl-beta-D-glucopyranose (1), a new ascorbic acid derivative, 2-caffeoyl-3-ketohexulofuranosonic acid gamma-lactone (2), and a new iridoid glycoside, 10-dimethoxyfermiloside (3), were isolated along with 13 known compounds (4-16) from fermented noni fruit juice (Morinda citrifolia). The structures of the new compounds, together with 4 and 5, were determined by 1D and 2D NMR experiments, as well as comparison with published values. Compounds 2 and 7 showed moderate inhibitory activities in a TNF-alpha-induced NF-kappa B assay, and compounds 4 and 6 exhibited considerable quinone reductase-1 (QR1) inducing effects.</P>
Peter A. Follett,Jaime Pinero,Steve Souder,Lisa Jamieson,Barbara Waddell,Marisa Wall 한국응용곤충학회 2019 Journal of Asia-Pacific Entomology Vol.22 No.2
We conducted no-choice cage and field infestation studies to determine if the fruit of apples (Malus x domestica L., ‘Scifresh’) are hosts for three invasive tephritid fruit fly species that may enter New Zealand or other apple growing areas. In screen cage tests, punctured and unpunctured (intact) fruit of ‘Scifresh’ apples were exposed to gravid females of Bactrocera dorsalis (Hendel) (Oriental fruit fly), Zeugodacus (Bactrocera) cucurbitae (Coquillet) (melon fly), or Ceratitis capitata (Wiedemann) (Mediterranean fruit fly), outdoors for 24 h and then held on sand in the laboratory for four weeks for pupal development and adult emergence. Unpunctured fruit produced an average of 269.4, 4.3 and 70.1 puparia per kg of fruit for B. dorsalis, Z. cucurbitae and C. capitata, respectively. Punctured fruit produced an average of 619.4, 0.8 and 129.5 puparia per kg of fruit for B. dorsalis, Z. cucurbitae and C. capitata, respectively. By comparison, unpunctured and punctured papaya fruit (Carica papaya, ‘Rainbow’, a preferred host) produced 206–675 and 464–735 puparia per kg of fruit, respectively, across all species. In general, the average weight of individual fruit fly puparia from apple was significantly less (41–71%) than that of puparia reared from papaya, and development times were slower on apple than on papaya. Overall, ‘Scifresh’ apples were a moderately good host for B. dorsalis and C. capitata, and a very poor host for Z. cucurbitae in cage tests. Field exposure of ‘Scifresh’ apples suspended from papaya trees resulted in no infestation by B. dorsalis or Z. cucurbitae under natural conditions. This information will help to inform decisions about quarantine restrictions and potential crop loss in the event of incursions of these fruit flies into apple-producing countries.
Youn, Ui Joung,Sripisut, Tawanun,Park, Eun-Jung,Kondratyuk, Tamara P.,Fatima, Nighat,Simmons, Charles J.,Wall, Marisa M.,Sun, Dianqing,Pezzuto, John M.,Chang, Leng Chee Elsevier 2015 Bioorganic & medicinal chemistry letters Vol.25 No.21
<P><B>Abstract</B></P> <P>Chemical investigation of an endophytic fungus <I>Chaetomium globosum</I> isolated from leaves of <I>Wikstroemia uva-ursi</I> led to the isolation of two new azaphilones, chaetoviridins J and K (<B>1</B> and <B>3</B>), along with five known derivatives (<B>2</B> and <B>4</B>–<B>7</B>). The structures of azaphilones were determined by NMR, X-ray diffraction, Mosher’s method, and CD analysis. The isolated compounds were evaluated for their cancer chemopreventive-potential based on their abilities to inhibit tumor necrosis factor alpha (TNF-α)-induced nuclear factor-kappa B (NF-κB). Compounds <B>4</B>, <B>5</B>, <B>7</B>, and synthetic <B>8</B> and <B>9</B> inhibit nitric oxide (NO) production with IC<SUB>50</SUB> values in the range of 0.3–5.8μM. Compounds <B>4</B>, <B>5</B>, and <B>9</B> also displayed (TNF-α)-induced NF-κB activity with IC<SUB>50</SUB> values in the range of 0.9–5.1μM.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>