Deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.

The non-protein amino acid β-aminobutyric acid (BABA) can induce plant resistance to a broad spectrum of biotic and abiotic stresses. However, BABA-induced plant resistance to insects is less well-studied, especially its underlying mechanism. In this research, we applied BABA to wheat seedlings and...

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Autores principales:	He-He Cao, Meng Zhang, Hui Zhao, Yi Zhang, Xing-Xing Wang, Shan-Shan Guo, Zhan-Feng Zhang, Tong-Xian Liu
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fa7f346863174175973e5fc63cd07414
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spelling	oai:doaj.org-article:fa7f346863174175973e5fc63cd074142021-11-18T08:27:11ZDeciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.1932-620310.1371/journal.pone.0091768https://doaj.org/article/fa7f346863174175973e5fc63cd074142014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24651046/?tool=EBIhttps://doaj.org/toc/1932-6203The non-protein amino acid β-aminobutyric acid (BABA) can induce plant resistance to a broad spectrum of biotic and abiotic stresses. However, BABA-induced plant resistance to insects is less well-studied, especially its underlying mechanism. In this research, we applied BABA to wheat seedlings and tested its effects on Sitobion avenae (F.). When applied as a soil drench, BABA significantly reduced weights of S. avenae, whereas foliar spray and seed treatment had no such effects. BABA-mediated suppression of S. avenae growth was dose dependent and lasted at least for 7 days. The aminobutyric acid concentration in phloem sap of BABA-treated plants was higher and increased with BABA concentrations applied. Moreover, after 10 days of treatment, the aminobutyric acid content in BABA-treated plants was still higher than that in control treatment. Sitobion avenae could not discriminate artificial diet containing BABA from standard diet, indicating that BABA itself is not a deterrent to this aphid. Also S. avenae did not show preference for control plants or BABA-treated plants. Consistent with choice test results, S. avenae had similar feeding activities on control and BABA-treated plants, suggesting that BABA did not induce antifeedants in wheat seedlings. In addition, aminobutyric acid concentration in S. avenae feeding on BABA-treated plants was significantly higher than those feeding on control plants. Sitobion avenae growth rate was reduced on the artificial diet containing BABA, indicating that BABA had direct toxic effects on this aphid species. These results suggest that BABA application reduced S. avenae performance on wheat seedlings and the mechanism is possibly due to direct toxicity of high BABA contents in plant phloem.He-He CaoMeng ZhangHui ZhaoYi ZhangXing-Xing WangShan-Shan GuoZhan-Feng ZhangTong-Xian LiuPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 3, p e91768 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q He-He Cao Meng Zhang Hui Zhao Yi Zhang Xing-Xing Wang Shan-Shan Guo Zhan-Feng Zhang Tong-Xian Liu Deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.
description	The non-protein amino acid β-aminobutyric acid (BABA) can induce plant resistance to a broad spectrum of biotic and abiotic stresses. However, BABA-induced plant resistance to insects is less well-studied, especially its underlying mechanism. In this research, we applied BABA to wheat seedlings and tested its effects on Sitobion avenae (F.). When applied as a soil drench, BABA significantly reduced weights of S. avenae, whereas foliar spray and seed treatment had no such effects. BABA-mediated suppression of S. avenae growth was dose dependent and lasted at least for 7 days. The aminobutyric acid concentration in phloem sap of BABA-treated plants was higher and increased with BABA concentrations applied. Moreover, after 10 days of treatment, the aminobutyric acid content in BABA-treated plants was still higher than that in control treatment. Sitobion avenae could not discriminate artificial diet containing BABA from standard diet, indicating that BABA itself is not a deterrent to this aphid. Also S. avenae did not show preference for control plants or BABA-treated plants. Consistent with choice test results, S. avenae had similar feeding activities on control and BABA-treated plants, suggesting that BABA did not induce antifeedants in wheat seedlings. In addition, aminobutyric acid concentration in S. avenae feeding on BABA-treated plants was significantly higher than those feeding on control plants. Sitobion avenae growth rate was reduced on the artificial diet containing BABA, indicating that BABA had direct toxic effects on this aphid species. These results suggest that BABA application reduced S. avenae performance on wheat seedlings and the mechanism is possibly due to direct toxicity of high BABA contents in plant phloem.
format	article
author	He-He Cao Meng Zhang Hui Zhao Yi Zhang Xing-Xing Wang Shan-Shan Guo Zhan-Feng Zhang Tong-Xian Liu
author_facet	He-He Cao Meng Zhang Hui Zhao Yi Zhang Xing-Xing Wang Shan-Shan Guo Zhan-Feng Zhang Tong-Xian Liu
author_sort	He-He Cao
title	Deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.
title_short	Deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.
title_full	Deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.
title_fullStr	Deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.
title_full_unstemmed	Deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.
title_sort	deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, sitobion avenae.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/fa7f346863174175973e5fc63cd07414
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Deciphering the mechanism of β-aminobutyric acid-induced resistance in wheat to the grain aphid, Sitobion avenae.

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