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Keywords = Bostrychia simpliciuscula

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10 pages, 793 KiB  
Article
Analysis of the Mycosporine-Like Amino Acid (MAA) Pattern of the Salt Marsh Red Alga Bostrychia scorpioides
by Maria Orfanoudaki, Anja Hartmann, Julia Mayr, Félix L. Figueroa, Julia Vega, John West, Ricardo Bermejo, Christine Maggs and Markus Ganzera
Mar. Drugs 2021, 19(6), 321; https://doi.org/10.3390/md19060321 - 31 May 2021
Cited by 5 | Viewed by 3070
Abstract
This study presents the validation of a high-performance liquid chromatography diode array detector (HPLC-DAD) method for the determination of different mycosporine-like amino acids (MAAs) in the red alga Bostrychia scorpioides. The investigated MAAs, named bostrychines, have only been found in this specific [...] Read more.
This study presents the validation of a high-performance liquid chromatography diode array detector (HPLC-DAD) method for the determination of different mycosporine-like amino acids (MAAs) in the red alga Bostrychia scorpioides. The investigated MAAs, named bostrychines, have only been found in this specific species so far. The developed HPLC-DAD method was successfully applied for the quantification of the major MAAs in Bostrychia scorpioides extracts, collected from four different countries in Europe showing only minor differences between the investigated samples. In the past, several Bostrychia spp. have been reported to include cryptic species, and in some cases such as B. calliptera, B. simpliciuscula, and B. moritziana, the polyphyly was supported by differences in their MAA composition. The uniformity in the MAA composition of the investigated B. scorpioides samples is in agreement with the reported monophyly of this Bostrychia sp. Full article
(This article belongs to the Special Issue Analysis of Marine Natural Products Using Hyphenated Techniques)
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13 pages, 2345 KiB  
Article
Chemotaxonomic Study of Bostrychia spp. (Ceramiales, Rhodophyta) Based on Their Mycosporine-Like Amino Acid Content
by Maria Orfanoudaki, Anja Hartmann, Mitsunobu Kamiya, John West and Markus Ganzera
Molecules 2020, 25(14), 3273; https://doi.org/10.3390/molecules25143273 - 17 Jul 2020
Cited by 13 | Viewed by 2980
Abstract
This study presents a chemotaxonomic investigation of the genus Bostrychia through the quantitation of the major mycosporine-like amino acids (MAAs). The presence of some cryptic species had been suggested in the B. moritziana/B. radicans complex and MAA-profiling in respective samples revealed [...] Read more.
This study presents a chemotaxonomic investigation of the genus Bostrychia through the quantitation of the major mycosporine-like amino acids (MAAs). The presence of some cryptic species had been suggested in the B. moritziana/B. radicans complex and MAA-profiling in respective samples revealed different chemotypes within this species complex. Another possibly polyphyletic species is Bostrychia simpliciuscula; previous molecular phylogenetic analyses showed four genetic lineages within this species, one of which was recently distinguished as a new species. Phytochemical profiling of those samples used for DNA analyses revealed four different chemotypes, corresponding to the above four lineages and it supports the re-circumscription of the other three B. simpliciuscula lineages. Therefore, mycosporine-like amino acids are considered as suitable chemotaxonomic markers for the reassessment of the classification of B. simpliciuscula. The determination of the MAA patterns in these algae was possible after developing and validating a suitable high-performance liquid chromatography–diode array detector (HPLC-DAD) method. Full article
(This article belongs to the Section Natural Products Chemistry)
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