Works (7)

Updated: July 5th, 2023 16:02

2009 journal article

Diel vertical migration thresholds of Karenia brevis (Dinophyceae)

HARMFUL ALGAE, 8(5), 692–698.

By: B. Schaeffer*, D. Kamykowski n, G. Sinclair*, L. McKay n & E. Milligan n

author keywords: Carbon; Diel vertical migration; Dinoflagellate; Karenia brevis; Nitrogen
TL;DR: It was concluded that daughter cells resulting from cell division received unequal shares of the parental resources and that this inequality influenced migration behavior, and Nutrient reduced daughter cells were more strongly influenced by light and phototaxis for carbon production than their replete same cell division sister cells during vertical migration thus rapidly increasing the fulfillment of constituents through photosynthesis. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

LIPID CLASS, CAROTENOID, AND TOXIN DYNAMICS OF KARENIA BREVIS (DINOPHYCEAE) DURING DIEL VERTICAL MIGRATION

JOURNAL OF PHYCOLOGY, 45(1), 154–163.

By: B. Schaeffer*, D. Kamykowski n, L. McKay n, G. Sinclair n & E. Milligan n

author keywords: behavior; brevetoxins; dinoflagellate; epoxidation state; lipids
TL;DR: K. brevis may mobilize its toxins into the surrounding environment by reducing lipid concentrations, such as sterols, limiting competition, or toxins are released because lipids are decreased in high light, reducing any protective mechanism against their own toxins. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

A comparison of photoresponse among ten different Karenia brevis (Dinophyceae) isolates

JOURNAL OF PHYCOLOGY, 43(4), 702–714.

By: B. Schaeffer n, D. Kamykowski n, L. McKay n, G. Sinclair n & E. Milligan n

author keywords: carbon; cell division rate; culture; dinoflagellate; F-v/F-m; Karenia brevis; P-E curve; photoinhibition
TL;DR: PAM‐FL techniques used to investigate P–E curves, quantum yield of PSII (Fv/Fm), and chl from 10 K showed that K. brevis was more than capable of utilizing and surviving in light conditions that may be present on cloudless days off Florida. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Comparison of swimming speed and photophysiological responses to different external conditions among three Karenia brevis strains

HARMFUL ALGAE, 5(6), 623–636.

By: L. McKay n, D. Kamykowski n, E. Milligan n, B. Schaeffer n & G. Sinclair n

author keywords: behavior; dinoflagellate; intraspecies comparison; Karenia brevis
TL;DR: The results suggest that cells may partition energy selectively depending on the needs of the cell, and a generalized species response to light and temperature ranges. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Nitrate uptake by Karenia brevis. I. Influences of prior environmental exposure and biochemical state on diel uptake of nitrate

MARINE ECOLOGY PROGRESS SERIES, 328, 117–124.

By: G. Sinclair n, D. Kamykowski*, E. Milligan* & B. Schaeffer*

author keywords: Karenia brevis; dinoflagellate; physiology; nocturnal uptake; vertical migration
TL;DR: Testing how the physiology of K. brevis contributed to the acquisition of nitrate by evaluating how nitrate uptake changed with prior environmental exposure found enhanced nocturnal uptake compared to cells continuously exposed to nitrate-replete conditions. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Nitrate uptake by Karenia brevis. II. Behavior and uptake physiology in a nitrate-depleted mesocosm with a bottom nutrient source

MARINE ECOLOGY PROGRESS SERIES, 328, 125–131.

By: G. Sinclair n, D. Kamykowski*, E. Milligan* & B. Schaeffer*

author keywords: Karenia brevis; dinoflagellate; physiology; nocturnal uptake; vertical migration; sediment
TL;DR: Both migration, as indicated by diel aggregation patterns, and cell physiology indicate that descent to regions of higher nutrient concentrations were sufficient to main- tain average growth rates of 0.3 div d -1 . (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Geotaxis/phototaxis and biochemical patterns in Heterocapsa (=Cachonina) illdefina (Dinophyceae) during diel vertical migrations

JOURNAL OF PHYCOLOGY, 35(6), 1397–1403.

By: D. Kamykowski n, E. Milligan n, R. Reed n & W. Liu n

author keywords: biochemical composition; diel vertical migration; dinoflagellates; geotaxis; Gymnodinium breve; Heterocapsa illdefina; phototaxis
TL;DR: The combined results for both species support a revised conceptual model of optimized DVM in autotrophic marine dinoflagellates incorporating generalized expressions of taxis and biochemical state of individual cells. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

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