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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.03.012
|2 doi
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|a pubmed24n1181.xml
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|a (DE-627)NLM354389041
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|a (NLM)36933508
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|a (PII)S0981-9428(23)00139-0
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Gil, M Florencia
|e verfasserin
|4 aut
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|a Hormone released by the microalgae Neochlorisaquatica and alkalinization influence growth of terrestrial and floating aquatic plants
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 11.04.2023
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|a Date Revised 11.04.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a The microalgae Neochloris aquatica were previously evaluated as a potential biological control agent and source of bioactive compounds against immature stages of Culex quinquefasciatus. Larvae reared on microalgae suspension showed mortality or drastic effects with morphological alterations and damage in the midgut. N. aquatica have nutritional and toxic effects, resulting in delayed life cycle and incomplete adult development. Given the possibility of its use as a biological control agent, in this work we evaluate the effect of microalgae on other organisms of the environment, such as plants. Arabidopsis thaliana, a terrestrial plant, and Lemna sp., a floating aquatic plant, were selected as examples. Interaction assays and compound evaluations showed that the microalgae release auxins causing root inhibition, smaller epidermal cells and hairy root development. In Lemna sp., a slight decrease in growth rate was observed, with no deleterious effects on the fronds. On the other hand, we detected a detrimental effect on plants when interactions were performed in a closed environment, in a medium containing soluble carbonate, in which microalgae culture rapidly modifies the pH. The experiments showed that alkalinization of the medium inhibits plant growth, causing bleaching of leaves or fronds. This negative effect in plants was not observed when plants and microalgae were cultured in carbonate-free media. In conclusion, the results showed that N. aquatica can modify plant growth without being harmful, but the rapid alkalinization produced by carbon metabolism of microalgae under CO2-limiting conditions, could regulate the number of plants
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|a Journal Article
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|a Alkalinization
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|a Arabidopsis thaliana
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|a Auxins
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|a Lemna sp.
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|a Microalgae
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|a Biological Control Agents
|2 NLM
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| 650 |
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|a Hormones
|2 NLM
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| 700 |
1 |
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|a Azzara, Nayla
|e verfasserin
|4 aut
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| 700 |
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|a Fassolari, Marisol
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Berón, Corina M
|e verfasserin
|4 aut
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| 700 |
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|a Battaglia, Marina E
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 197(2023) vom: 05. Apr., Seite 107635
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:197
|g year:2023
|g day:05
|g month:04
|g pages:107635
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|u http://dx.doi.org/10.1016/j.plaphy.2023.03.012
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