Diterpenes from the Marine Algae of the Genus Dictyota

Chen, Jiayun; Li, Hong; Zhao, Zishuo; Xia, Xi; Li, Bo; Zhang, Jinrong; Yan, Xiaojun

doi:10.3390/md16050159

Cited by 62 publications

(49 citation statements)

References 92 publications

(190 reference statements)

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“…Up to the present time, 9 spatane diterpenes have been found in D. marginatus or D. okamurai ( Figure 3; Table 2). Five spatane compounds (20)(21)(22)(23)(24) are isolated from the brown alga D. marginatus collected from Collaroy, New South Wales, Australia. 8 Compounds 21 and 22 are also isolated from the brown alga D. okamurai collected on the coast of Kamaishi, Iwate Prefecture, Japan.…”

Section: Spatane Diterpenesmentioning

confidence: 99%

Diterpenes From the Marine Brown Algae of the Genus Dilophus

Xia

Hou

et al. 2020

Natural Product Communications

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Brown algae of the genus Dilophus contain plenty of biologically active secondary metabolites with diverse structures. Excellent progress has been made in the discovery of diterpenes with extensive chemical defense activity from this genus. Most of these diterpenes exhibit significant biological activities, such as antifungal, cytotoxic, and feeding-deterrent activities. In the present review, we summarized diterpenes isolated from the brown algae of the genus Dilophus.

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Section: Spatane Diterpenesmentioning

confidence: 99%

Diterpenes From the Marine Brown Algae of the Genus Dilophus

Xia

Hou

et al. 2020

Natural Product Communications

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“…Group II involves the same cyclization of gernayl-geraniol pre-cursor but between C-1 and C-11, while Group III involves cyclization between C-2 and C-10. Diterpenes of all three groups are reported to exhibit significant anti-tumor, anti-viral and some anti-fouling activities [73]. A distribution of the diterpene compounds reported in this review by species and locality is shown in Table 6.…”

Section: Sesquiterpenes and Monoterpenesmentioning

confidence: 95%

“…The diterpenes (C-20) from brown algae have been extensively studied and reviewed, and none more so than the diterpenes derived from algae within the genus Dictyota [73]. The Dictyota genus is within the family Dictyotaceae and consists of some 221 species.…”

Section: Sesquiterpenes and Monoterpenesmentioning

confidence: 99%

“…All other diterpenes ) (see Supporting Information Figures S13-S15) reported were from the species D. dichotoma which has been extensively studied. A recent review of the diterpenes in question suggested a grouping of diterpenes based on biosynthetic origins and also diterpene cyclization complexity [73]. The grouping separates the diterpenes into three groups, Group I (112-134, 136-140), Group II (135, 141-175) and Group III (176)(177)(178)(179)(180)(181)(182)(183)(184)(185)(186)(187)(188)(189)(190)(191)(192).…”

Section: Sesquiterpenes and Monoterpenesmentioning

confidence: 99%

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Natural Products of Marine Macroalgae from South Eastern Australia, with Emphasis on the Port Phillip Bay and Heads Regions of Victoria

et al. 2020

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Marine macroalgae occurring in the south eastern region of Victoria, Australia, consisting of Port Phillip Bay and the heads entering the bay, is the focus of this review. This area is home to approximately 200 different species of macroalgae, representing the three major phyla of the green algae (Chlorophyta), brown algae (Ochrophyta) and the red algae (Rhodophyta), respectively. Over almost 50 years, the species of macroalgae associated and occurring within this area have resulted in the identification of a number of different types of secondary metabolites including terpenoids, sterols/steroids, phenolic acids, phenols, lipids/polyenes, pheromones, xanthophylls and phloroglucinols. Many of these compounds have subsequently displayed a variety of bioactivities. A systematic description of the compound classes and their associated bioactivities from marine macroalgae found within this region is presented.

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“…This weed is also rich in phytochemical constituents such as flavonoids, tannins, phenolics, sterols and terpenoids that activate defense mechanism against different infectious diseases 3 . Dictyota dichotoma (brown algae), belonging to the family Dictyotaceae, has medicinal implications for its secondary metabolite content with antithrombolytic, antifouling, anti-tumor, antibacterial and antifungal properties 4 . Caulerpa peltata (green algae), belonging to the family Caulerpaceae, is traditionally used for its antibacterial, antiproliferative, and immuno-stimulatory properties 5 .…”

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confidence: 99%

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2020

IJPSR

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Endophyte is a rich source of bioactive metabolites for medicinal exploitation as an increasing number of novel compounds with bioactive potential are now being isolated from this source. This study was conducted to characterize and explore endophytic fungi from marine weeds available in Bangladesh. The whole weed was used for isolation of endophytic fungi in the water agar media and the isolated fungi were identified through macroscopic and microscopic observation. Small scale cultivation was performed on liquid Wickersham media. Cytotoxicity, antibacterial, antioxidant activities were evaluated following brine shrimp lethality bioassay, disc diffusion method and DPPH free radical scavenging assay, respectively. A total of five endophytic fungi were isolated, purified and characterized from four seaweeds; Hypnea musciformis (HM), Sargassum crassifolium (SC), Dictyota dichotoma (DD) and Caulerpa peltata (CP). They were coded as HMWE-1, HMWE-2, SCWE-1, DDWE-1 and CPWE-1. The fungal strains HMWE-1 and SCWE-1 were identified morphologically as Fusarium sp., HMWE-2 and DDWE-1 as Penicillium sp. and CPWE-1 as Aspergillus sp. DDWE-1 fungal strain showed significant antioxidant activity in comparison to the standard, ascorbic acid. The fungal extracts CPWE-1 (LC 50 value of 2.85 µg/mL) and DDWE-1 (LC 50 value of 6.38 µg/mL) showed significant cytotoxic activity. The extracts exhibited weak to good activity against a wide range of human pathogenic microorganisms during anti-microbial activity screening. Preliminary chemical screening by thin-layer chromatography (TLC) indicated the presence of a number of secondary metabolites. Thus, this study explored the potential entophytes from marine weeds of the Bay of Bengal as a producer of leads for drugs.

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Diterpenes from the Marine Algae of the Genus Dictyota

Cited by 62 publications

References 92 publications

Diterpenes From the Marine Brown Algae of the Genus Dilophus

Diterpenes From the Marine Brown Algae of the Genus Dilophus

Natural Products of Marine Macroalgae from South Eastern Australia, with Emphasis on the Port Phillip Bay and Heads Regions of Victoria

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