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Review
. 2021 Jun 29;11(7):957.
doi: 10.3390/biom11070957.

Meroterpenoids: A Comprehensive Update Insight on Structural Diversity and Biology

Affiliations
Review

Meroterpenoids: A Comprehensive Update Insight on Structural Diversity and Biology

Mamona Nazir et al. Biomolecules. .

Abstract

Meroterpenoids are secondary metabolites formed due to mixed biosynthetic pathways which are produced in part from a terpenoid co-substrate. These mixed biosynthetically hybrid compounds are widely produced by bacteria, algae, plants, and animals. Notably amazing chemical diversity is generated among meroterpenoids via a combination of terpenoid scaffolds with polyketides, alkaloids, phenols, and amino acids. This review deals with the isolation, chemical diversity, and biological effects of 452 new meroterpenoids reported from natural sources from January 2016 to December 2020. Most of the meroterpenoids possess antimicrobial, cytotoxic, antioxidant, anti-inflammatory, antiviral, enzyme inhibitory, and immunosupressive effects.

Keywords: anti-inflammatory; anticancer; antidiabetic; antioxidant; meroterpenoids; structural diversity.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Structures of phloroglucinol-based meroterpenoids 13.
Figure 2
Figure 2
Structures of phloroglucinol-based meroterpenoids 415.
Figure 3
Figure 3
Structures of phloroglucinol-based meroterpenoids 1625.
Figure 4
Figure 4
Structures of phloroglucinol-based meroterpenoids 2635.
Figure 5
Figure 5
Structures of phloroglucinol-based meroterpenoids 3639.
Figure 6
Figure 6
Structures of phloroglucinol-based meroterpenoids 4043.
Figure 7
Figure 7
Structures of phloroglucinol-based meroterpenoids 4454.
Figure 8
Figure 8
Structures of phloroglucinol-based meroterpenoids 5562.
Figure 9
Figure 9
Structures of phloroglucinol-based meroterpenoids 6375.
Figure 10
Figure 10
Structures of phloroglucinol-based meroterpenoids 7682.
Figure 11
Figure 11
Structures of phloroglucinol-based meroterpenoids 8398.
Figure 12
Figure 12
Structures of phloroglucinol-based meroterpenoids 99115.
Figure 13
Figure 13
Structures of phloroglucinol-based meroterpenoids 116123.
Figure 14
Figure 14
Structures of syncarpic acid/β-triketones-based meroterpenes 124135.
Figure 15
Figure 15
Structures of syncarpic acid/β-triketones-based meroterpenes 136142.
Figure 16
Figure 16
Structures of syncarpic acid/β-triketones-based meroterpenes 143146.
Figure 17
Figure 17
Structures of syncarpic acid/β-triketones-based meroterpenes 147157.
Figure 18
Figure 18
Structures of syncarpic acid/β-triketones-based meroterpenes 158173.
Figure 19
Figure 19
Structures of syncarpic acid/β-triketones-based meroterpenes 174176.
Figure 20
Figure 20
Structures of syncarpic acid/β-triketones-based meroterpenes 177187.
Figure 21
Figure 21
Structures of syncarpic acid/β-triketones-based meroterpenes 188193.
Figure 22
Figure 22
Structures of syncarpic acid/β-triketones-based meroterpenes 194200.
Figure 23
Figure 23
Structures of syncarpic acid/β-triketones-based meroterpenes 201212.
Figure 24
Figure 24
Structures of syncarpic acid/β-triketones-based meroterpenes 213227.
Figure 25
Figure 25
Structures of syncarpic acid/β-triketones-based meroterpenes 228239.
Figure 26
Figure 26
Structures of alkaloid-based meroterpenoids 240247.
Figure 27
Figure 27
Structures of sesquiterpene-based meroterpenoids 248253.
Figure 28
Figure 28
Structures of sesquiterpene-based meroterpenoids 254257.
Figure 29
Figure 29
Structures of sesquiterpene-based meroterpenoids 258266.
Figure 30
Figure 30
Structures of sesquiterpene-based meroterpenoids 267273.
Figure 31
Figure 31
Structures of sesquiterpene-based meroterpenoids 274277.
Figure 32
Figure 32
Structures of sesquiterpene-based meroterpenoids 278285.
Figure 33
Figure 33
Structures of sesquiterpene-based meroterpenoids 286304.
Figure 34
Figure 34
Structures of chromane/chromene derived meroterpenoids 305314.
Figure 35
Figure 35
Structures of chromane/chromene derived meroterpenoids 315321.
Figure 36
Figure 36
Structures of chromane/chromene derived meroterpenoids 322332.
Figure 37
Figure 37
Structures of chromane/chromene derived meroterpenoids 333341.
Figure 38
Figure 38
Structures of chromane/chromene derived meroterpenoids 342354.
Figure 39
Figure 39
Structures of chromane/chromene and flavone derived meroterpenoids 356370.
Figure 40
Figure 40
Structures of quinone-based meroterpenoids 371373.
Figure 41
Figure 41
Structures of quinone-based meroterpenoids 374379.
Figure 42
Figure 42
Structures of quinone-based meroterpenoids 380383.
Figure 43
Figure 43
Structures of miscellaneous meroterpenoids 384 and 385.
Figure 44
Figure 44
Structures of miscellaneous meroterpenoids 386389.
Figure 45
Figure 45
Structures of miscellaneous meroterpenoids 390396.
Figure 46
Figure 46
Structures of miscellaneous meroterpenoids 397399.
Figure 47
Figure 47
Structures of miscellaneous meroterpenoids 400413.
Figure 48
Figure 48
Structures of miscellaneous meroterpenoids 414422.
Figure 49
Figure 49
Structures of miscellaneous meroterpenoids 423434.
Figure 50
Figure 50
Structures of miscellaneous meroterpenoids 435452.

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