Sulfated flavonoids and leaf morphology in the Halophila ovalis—H. minor complex (Hydrocharitaceae) of the Indo-Pacific Ocean
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Cited by (21)
Nutritional and bioactive potential of seagrasses: A review
2021, South African Journal of BotanyPhenolic chemistry of the seagrass Zostera noltei Hornem. Part 1: First evidence of three infraspecific flavonoid chemotypes in three distinctive geographical regions
2018, PhytochemistryCitation Excerpt :Numerous examples of flavonoid chemical races have long been reported for terrestrial plants, both in species where infraspecific taxa have not been described, and in species where infraspecific taxa are recognized (Bohm, 1987; Mabry, 1973). In contrast, in the case of seagrass and apart from our previous work (Grignon-Dubois and Rezzonico, 2012), the only study at the specific level was reported for Halophila ovalis subspecies populations, which differ in the occurrence of sulfated flavonoids on the basis of morphological variations and geographical distribution (McMillan, 1983, 1986). Differences in plant chemistry reflect dissimilarities in the metabolism, which may be caused by differences in ecological and geographical conditions.
Variability of leaf morphology and marker genes of members of the halophila complex collected in viet nam
2013, Aquatic BotanyCitation Excerpt :It has been shown to evolve at approximately three times the rate of the rbcL gene (Johnson and Soltis, 1995) and seems to be suitable for phylogenetic analysis of plants at both the genus and species level. The Halophila section is known as one the most complex taxonomic challenges (McMillan and Williams, 1980; McMillan, 1986; Kuo, 2000; Kuo and den Hartog, 2001; Uchimura et al., 2006, 2008; Yip and Lai, 2006). The Halophila ovalis species complex has little genetic variation but wide morphological plasticity (Short et al., 2010).
Localization and antioxidant capacity of flavonoids from intertidal and subtidal Halophila johnsonii and Halophila decipiens
2011, Aquatic BotanyCitation Excerpt :Thus, localization of sunscreen and antioxidant compounds preferentially in adaxial surfaces would be less advantageous in H. johnsonii compared to terrestrial leaves. Some seagrass species possess sulfated flavonoids that can inhibit herbivory or have antibiotic or antifouling activity (Harborne, 1979; McMillan, 1986; Jensen et al., 1998). However, antifouling activity of these flavonoids in seagrasses is thought to be due to the incorporation of sulfate (Harborne, 1997).
Chemical analysis of flavonoid constituents of the seagrass Halophila stipulacea: First finding of malonylated derivatives in marine phanerogams
2010, Biochemical Systematics and EcologyCitation Excerpt :The deacylation reaction of compounds 3 and 4 occurring during the work-up suggested that malonylated flavone glycosides were most likely more abundant in the plant than chemical analysis indicates and, consequently, the corresponding non-esterified derivatives 5 and 7 should be considered as artefacts. With the exception of a recent investigation on H. johnsonii resulting in the chemical characterization of all main components of the flavone profile of this seagrass (Meng et al., 2008), previous studies on different Halophila species including H. stipulacea only reported qualitative analysis of flavone profiles and indicated the presence of unidentified flavones and flavone sulphates (McMillan et al., 1980; McMillan, 1986). In particular, these studies revealed a high variability in the flavone composition for the different Halophila species analyzed with regard to the complexity of the flavone mixture and to the presence of sulphate derivatives thus preventing reliable interspecific taxonomic relationships in Halophila seagrasses based on qualitative evaluation of flavone profiles.