Short‐term enrichment of microalgae with inorganic selenium and zinc and their effects on the mineral composition of microalgae and marine rotifer Brachionus plicatilis

2021 ◽  
Author(s):  
Sirwe Ghaderpour ◽  
Nasrollah Ahmadifard ◽  
Naser Agh ◽  
Zakaria Vahabzadeh ◽  
Alicia Estevez
Keyword(s):  
Mineral Composition ◽  
Brachionus Plicatilis ◽  
Short Term ◽  
Inorganic Selenium ◽  
Term Enrichment ◽  
Rotifer Brachionus Plicatilis ◽  
Marine Rotifer

Feeding behavior toxicity in the marine rotifer Brachionus plicatilis caused by 2,2',4,4'-tetrabromodiphenyl ether (BDE-47): characteristics and mechanisms

Chemosphere ◽  
2021 ◽  
pp. 129512
Author(s):  
Yingying Yang ◽  
Xiaoyang Jian ◽  
Xuexi Tang ◽  
Wenqian Ma ◽  
Zijie Sun ◽  
...  
Keyword(s):  
Feeding Behavior ◽  
Brachionus Plicatilis ◽  
Rotifer Brachionus Plicatilis ◽  
Marine Rotifer

scholarly journals Using the Marine Rotifer Brachionus plicatilis as an Endpoint to Evaluate Whether ROS-Dependent Hemolytic Toxicity Is Involved in the Allelopathy Induced by Karenia mikimotoi

Toxins ◽  
2018 ◽  
Vol 10 (11) ◽  
pp. 439 ◽  
Author(s):  
Yuanyuan Li ◽  
Jianfei Yu ◽  
Tianli Sun ◽  
Chunchen Liu ◽  
Yu Sun ◽  
...  
Keyword(s):  
Cell Suspension ◽  
Brachionus Plicatilis ◽  
Intact Cell ◽  
Cell Suspensions ◽  
Intrinsic Rate Of Increase ◽  
Spawning Period ◽  
Karenia Mikimotoi ◽  
Rotifer Brachionus Plicatilis ◽  
Hemolytic Toxicity ◽  
Marine Rotifer

The toxic effects of the typically noxious bloom-forming dinoflagellate Karenia mikimotoi were studied using the allelopathic experimental system under controlled laboratory conditions. The potency of intact cell suspensions with whole cells, cell-free culture filtrate in different growth phases, and lysed cells with ultrasonication were compared, and the growth and reproduction of the marine rotifer Brachionus plicatilis were used as endpoints to evaluate toxic differences. The intact cell suspension resulted the most significant growth inhibition, including lethality, on the growth of B. plicatilis (p < 0.05). Lysed culture medium treated with ultrasonication and the cell-free culture filtrates at either the exponential or stationary phase exhibited limited negative impacts compared to the control according to changes in the population growth rate (r) and survival rate (p > 0.05). Reproduction presented a similar tendency to change, and the number of eggs produced per individual, as well as spawning period decreased in the whole cell and lysed cell suspensions. The key parameters in the lift table include the net reproductive rate (R0) and the intrinsic rate of increase (rm), which were more sensitive to treatment and were significantly suppressed compared to that of the control. The addition of the ROS inhibitor N-acetylcysteine (NAC) could not change the growth or reproduction patterns. Moreover, substantial hemolytic toxicity was found in the treatment of the intact cell suspension (p < 0.05), while limited toxicity was found in other treatments compared to that of the control. K. mikimotoi was speculated to secrete allelopathic substances onto the cell surface, and direct cell contact was necessary for allelopathic toxicity in B. plicatilis. Reactive oxygen species (ROS)-independent hemolytic toxicity was assumed to be the explanation for what was observed.

scholarly journals Dietary value of marine rotifer Brachionus plicatilis in different population growth stages for larval red seabream Pagrus major

2004 ◽  
Vol 70 (4) ◽  
pp. 573-582 ◽  
Author(s):  
TSUTOMU TOMODA ◽  
MASAHIKO KOISO ◽  
HIROSHI KUWADA ◽  
JAU-NENG CHERN ◽  
TOSHIO TAKEUCHI
Keyword(s):  
Population Growth ◽  
Brachionus Plicatilis ◽  
Growth Stages ◽  
Pagrus Major ◽  
Red Seabream ◽  
Rotifer Brachionus Plicatilis ◽  
Dietary Value ◽  
Marine Rotifer

Resting eggs of the marine rotifer Brachionus plicatilis Müller: development, and effect of irradiation on hatching

Rotifera VII ◽  
1995 ◽  
pp. 223-229 ◽  
Author(s):  
Atsushi Hagiwara ◽  
Nobuyuki Hoshi ◽  
Fumiko Kawahara ◽  
Kayoko Tominaga ◽  
Kazutsugu Hirayama
Keyword(s):  
Brachionus Plicatilis ◽  
Resting Eggs ◽  
Rotifer Brachionus Plicatilis ◽  
Marine Rotifer

The Vitamin B12 Requirement Of The Marine Rotifer Brachionus Plicatilis

1981 ◽  
Vol 61 (4) ◽  
pp. 983-994 ◽  
Author(s):  
J. M. Scott
Keyword(s):  
Brachionus Plicatilis ◽  
Algal Cell ◽  
Water Soluble ◽  
Vitamin B ◽  
Nutrient Requirements ◽  
Rotifer Brachionus Plicatilis ◽  
Vitamin Requirements ◽  
The Relationship ◽  
Good Food ◽  
Marine Rotifer

The nutrient requirements of many algae are well documented, with most algae being found to need only one or two vitamins. In the case of their predators, only a handful of microinvertebrates have had their diets and even fewer their vitamin requirements denned. Thus, any progress in this field together with the mode of nutrient uptake, must lead to a better understanding of the component-transfer in the food chain.Brachionus plicatilis Müller has been reported to require vitamin B12 (Droop & Scott, 1978). The work described in this paper sought first, to confirm this and then to establish the mode of uptake. The alga Brachiomonas submarina var. pulsifera Droop was used to investigate the first of these questions as the writer had previous experience with it in steady-state energetics work. The alga Dunaliella SMBA Strain 246 was used to examine the mode of uptake by the rotifer since this had also been found to be a good food organism. The possibilities considered were uptake: (a) via the algal cell; (b) directly from solution; (c) a combination of both. Mode of vitamin B12 uptake is of particular interest as it may be representative of the pathway of many of the rotifer's water soluble micronutrients.Before considering the influence of the vitamin on Brachionus investigations were made into the relationship between the vitamin and the two food-algae. It has already been established that Brachiomonas has a definite requirement (Droop, 1961) and Dunaliella no requirement for vitamin B12 (Turner, 1979). It was of interest to see if they took-up the vitamin in the manner shown by Monochrysts, a B12 requirer, and Phaeodactylum a non-requirer (Droop, 1968).

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