scholarly journals Effects of halogenated metabolites from infaunal polychaetes on larval settlement of the spionid polychaete Streblospio benedicti

2008 ◽  
Vol 355 ◽  
pp. 161-172 ◽  
Author(s):  
F Esser ◽  
M Winterberg ◽  
Z Sebesvari ◽  
T Harder
2013 ◽  
Vol 160 (5) ◽  
pp. 1259-1270 ◽  
Author(s):  
Zita Sebesvari ◽  
Rebecca Neumann ◽  
Thorsten Brinkhoff ◽  
Tilmann Harder

Planta Medica ◽  
2016 ◽  
Vol 81 (S 01) ◽  
pp. S1-S381
Author(s):  
S Soldatou ◽  
RM Young ◽  
S Heesch ◽  
BJ Baker

A commonality among oceanic life cycles is a process known as settlement, where dispersing propagules transition to the sea floor. For many marine invertebrates, this transition is irreversible, and therefore involves a crucial decision-making process through which larvae evaluate their juvenile habitat-to-be. In this chapter, we consider aspects of the external environment that could influence successful settlement. Specifically, we discuss water flow across scales, and how larvae can engage behaviors to influence where ocean currents take them, and enhance the likelihood of their being carried toward suitable settlement locations. Next, we consider what senses larvae utilize to evaluate their external environment and properly time such behavioral modifications, and settlement generally. We hypothesize that larvae integrate these various external cues in a hierarchical fashion, with differing arrangements being employed across ontogeny and among species. We conclude with a brief discussion of the future promises of larval biology, ecology, and evolution.


Author(s):  
Hiroyuki Yamazaki

AbstractNature is a prolific source of organic products with diverse scaffolds and biological activities. The process of natural product discovery has gradually become more challenging, and advances in novel strategic approaches are essential to evolve natural product chemistry. Our focus has been on surveying untouched marine resources and fermentation to enhance microbial productive performance. The first topic is the screening of marine natural products isolated from Indonesian marine organisms for new types of bioactive compounds, such as antineoplastics, antimycobacterium substances, and inhibitors of protein tyrosine phosphatase 1B, sterol O-acyl-transferase, and bone morphogenetic protein-induced osteoblastic differentiation. The unique biological properties of marine organohalides are discussed herein and attempts to efficiently produce fungal halogenated metabolites are documented. This review presents an overview of our recent work accomplishments based on the MONOTORI study. Graphic abstract


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