Results 71 to 80 of about 2,095 (251)

Antibacterial Potential of Soft Coral Lobophytum SP. From Pangalisang Waters of Bunaken Island to Pseudomonas Aeruginosa and Staphylococcus Aure [PDF]

open access: yes, 2018
Karang lunak diketahui mempunyai berbagai bioaktivitas salah satunya antibakteri. Antibakteri merupakan senyawa yang dapat mengganggu pertumbuhan atau bahkan dapat mematikan bakteri. Sampel karang lunak Lobophytum sp.
Angkouw, E. D. (Esther)   +5 more
core   +2 more sources

Four new cembranoids from the South China Sea soft coral Sarcophyton trocheliophorum

open access: yesNatural Product Research, 2021
Four new cembrane diterpenes, 1,13-di-epi-13-acetoxy launine P (1), 13-oxo-thunbergol (2), isocrassumol B (3) and 7α, 8α-sarcophine (4), together with two known launine P (5) and sarcophytonin B (6), were isolated from the extract of the South China Sea ...
Lu Ren   +7 more
semanticscholar   +1 more source

How do freshwater fish sperm find the egg? The physicochemical factors guiding the gamete encounters of externally fertilizing freshwater fish

open access: yesReviews in Aquaculture, Volume 12, Issue 2, Page 1165-1192, May 2020., 2020
Abstract The lifespan of spermatozoa from externally fertilizing freshwater fish ranges from a few seconds to several minutes, depending on the species. External factors, such as temperature, background flows and ion composition, play an important role in fertilization success.
Vitaliy Kholodnyy   +3 more
wiley   +1 more source

New Cembranoid Diterpenes from the Cultured Octocoral Nephthea columnaris [PDF]

open access: yesMolecules, 2015
Two new 15-hydroxycembranoid diterpenes, 2β-hydroxy-7β,8α-epoxynephthenol (1) and 2β-hydroxy-11α,12β-epoxynephthenol (2), were isolated from extracts of the octocoral Nephthea columnaris along with a new natural cembrane, epoxynephthenol (3) and a known sterol, nephalsterol A (4). The structures of cembranes 1–3 were elucidated by spectroscopic methods
Mei-Chin Lu   +10 more
openaire   +4 more sources

Three New Cembranoids from the Taiwanese Soft Coral <em>Sarcophyton ehrenbergi</em>

open access: yesMarine Drugs, 2012
In order to search for new bioactive substances from marine organisms, we have investigated the acetone extracts of the soft coral <em>Sarcophyton ehrenbergi</em><em> </em>collected at San-Hsian-Tai, Taitong County, Taiwan ...
Shang-Kwei Wang   +2 more
doaj   +1 more source

Cytotoxic Effects of Sarcophyton sp. Soft Corals—Is There a Correlation to Their NMR Fingerprints?

open access: yesMarine Drugs, 2017
Sarcophyton sp. soft corals are rich in cembranoid diterpenes, which represent the main chemical defense of corals against their natural predators in addition to their myriad biological effects in humans. Quantitative NMR (qNMR) was applied for assessing
Mohamed A. Farag   +8 more
doaj   +1 more source

Klyflaccicembranols A–I, New Cembranoids from the Soft Coral Klyxum flaccidum

open access: yesMarine Drugs, 2017
New cembranoids klyflaccicembranols A–I (1–9), along with gibberosene D (10), have been isolated from the organic extract of a Formosan soft coral Klyxum flaccidum.
Atallah F. Ahmed   +4 more
doaj   +1 more source

New Cembranoids from the Soft Coral Sinularia arborea [PDF]

open access: yesNatural Product Communications, 2014
From the ethyl acetate extract of the soft coral Sinularia arborea, a new cembrane-type diterpenoid, arbolide C (1), along with (+)-sarcophytol T (2), an enantiomer of the known cembrane, sarcophytol T, were isolated. The structures of compounds 1 and 2 were established by spectroscopic methods and 1 was found to display an inhibitory effect on the ...
Zhi-Hong Wen   +7 more
openaire   +2 more sources

Manipulation of CBTS1 Expression Alters Tobacco Resistance to Spodoptera frugiperda and Phytophthora nicotianae

open access: yesAgronomy, 2023
Cembranoids produced by tobacco glandular trichomes have bioactivities in resistance to insect pests and pathogens. Cembratrien-ol synthase (CBTS) plays a key role in the biosynthesis of cembranoids and directly determines the cembranoid content in ...
Jian Guan   +8 more
doaj   +1 more source

Anti-Inflammatory Cembranoids from the Soft Coral Lobophytum crassum

open access: yesMarine Drugs, 2017
: Cembrane-type diterpenoids are among the most frequently encountered natural products from the soft corals of the genus Lobophytum. In the course of our investigation to identify anti-inflammatory constituents from a wild-type soft coral Lobophytum ...
Kuei-Hung Lai   +5 more
doaj   +1 more source

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