Marine sponges are a very attractive and rich source in the production of novel bioactive compounds. The sponges exhibit a wide range of pharmacological activities. The genus consists of various species, such as , , , and , along with a handful of undescribed species. The genus is a rich source of secondary metabolites containing diverse chemical classes, including alkaloids, ceramides, cerebrososides, and terpenes, with various valuable biological activities. This review covers the literature from January 1983 until January 2018 and provides a complete survey of all the compounds isolated from the genus and the associated microbiota, along with their corresponding biological activities, whenever applicable.
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http://dx.doi.org/10.3390/md17010019 | DOI Listing |
J Agric Food Chem
January 2025
State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China.
is one of the commonly used hosts for heterologous enzyme expression, depending on media rich in carbon, nitrogen, and phosphate sources for optimal growth and enzyme production. Interestingly, our investigation of maltotetraose-forming amylase, a key enzyme for efficient maltotetraose synthesis, revealed that phosphate limitation significantly enhances the growth rate and production of heterologous enzymes in recombinant . Under phosphate-limited conditions in a 15 L fermenter, the enzyme activity reached 679.
View Article and Find Full Text PDF<b>Background and Objective:</b> Peatlands are unique ecosystems rich in microbial diversity, including bacteria with potential antibiotic activity. This study focuses on the isolation and characterization of bacteria from Indonesian peat soil, particularly their potential to produce antibiotics against multidrug-resistant (MDR) pathogens, including Methicillin-Resistant <i>Staphylococcus aureus</i> (MRSA). <b>Materials and Methods:</b> Bacterial isolates were rejuvenated on nutrient agar and subjected to antimicrobial activity testing using the Bauer & Kirby diffusion method against MRSA.
View Article and Find Full Text PDFInt J Psychoanal
December 2024
Training and Supervising Analyst, Faculty and former Chair, Student Progression Committee, Psychoanalytic Association of New York (PANY) affiliated with NYU Grossman School of Medicine, New York, NY, USA.
Countertransferential and other types of personal responses to candidates are inevitable among psychoanalytic educators, whether they be supervisors, progression advisors, the progression committee as a whole, or course instructors. Nonetheless many educators remain unaware of these phenomena - despite the robust literature on this subject in supervisors - perhaps because we do not like to think of ourselves as having potentially deleterious personal reactions to younger colleagues with whom we have significant and highly valued relationships. This paper emphasizes the role of such phenomena in progression advisors' deliberations about candidates' development, as well as in the committee as a whole - a subject not addressed in the literature.
View Article and Find Full Text PDFPhytochem Anal
January 2025
Institute of Biology, Federal Research Centre Komi Science Center, Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia.
Introduction: Vitex L. is a large genus of tropical and subtropical trees used in medicine of many nations. Some species are used in gynecology due to flavonoids, iridoids, and diterpenes.
View Article and Find Full Text PDFWe report on the growth of a 2.86 at.% Ho:YGG crystal using the optical floating zone technique in an oxygen-rich environment, followed by the study of its structure, optical spectroscopy and first demonstration of continuous-wave laser operation at 2.
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