Distribution of rutin in fava d'anta (Dimorphandra mollis) seedlings under stress

Lucci, Nathália; Mazzafera, Paulo

doi:10.1080/17429140802707035

Cited by 22 publications

(15 citation statements)

References 29 publications

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“…With the increasing age of trees, the intra-and interspecific competition increases, causing in the distribution pattern. In the period of tree growth, plenty of juveniles died, a small number of juveniles grew to adult trees that were balance during canopy tree stages, and the distribution of canopy trees was mainly subjected to the death of individuals (Clark et al 1993;Lucci & Mazzafera 2009). The change in the assemblage intensity is a survival strategy or adaptation mechanism of populations (Condit et al 2000).…”

Section: Discussionmentioning

confidence: 99%

Spatial patterns and associations of four species in an old-growth temperate forest

Liu

Jin

2014

Journal of Plant Interactions

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The spatial pattern of a tree species is an important characteristic of plant communities, providing critical information to explain species coexistence. The spatial distribution and association of four different successional species were analyzed among different life-history stages in an old-temperate forest. Significant aggregation patterns were found, and the degree of aggregation decreased with the scales and life-history stages. Significant interspecific spatial associations were detected. In comparing the relationships among the different life-history stages, positive associations were found at small scales in all of the juvenile species pairs. In the adult stage, negative associations were detected in coniferous vs. deciduous species pairs, while the deciduous species pairs, which have identical resource requirements, showed a positive association in this study. The coniferous species pairs showed a positive association at small scales. We infer that seed dispersal, competitive ability, or the requirement for specific topographic and light environments may contribute to the coexistence of these species.

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Section: Discussionmentioning

confidence: 99%

Spatial patterns and associations of four species in an old-growth temperate forest

Liu

Jin

2014

Journal of Plant Interactions

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“…In soybean, the flavonoids rutin and genistin were identified in several parts of the plant (Piubelli et al, 2005;Hoffmann-Campo et al, 2006;Lucci & Mazzafera, 2009).…”

Section: Introductionmentioning

confidence: 99%

Effect of the flavonoid rutin on the biology of Spodoptera frugiperda (Lepidoptera: Noctuidae)

et al. 2016

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ABSTRACT. The fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) is a major pest of maize crops in Brazil. The effects of plant metabolites on the biology and behavior of insects is little studied. The aim of the study was to evaluate the activity of rutin on the biology of the S. frugiperda by using artificial diets containing rutin. The study evaluated four treatments: regular diet (control group) and diets containing 1.0, 2.0 and 3.0 mg g -1 of rutin. The following biological variables parameters of the larvae were evaluated daily: development time (days), larval and pupal weight (g) and viability (%), adult longevity and total life cycle (days). A completely randomized experimental design was used with 25 replication. The rutin flavonoid negatively affected the biology of S. frugiperda by prolonging the larval development time, reducing the weight of larvae and pupae and decreasing the viability of the pupae. The addition of different concentrations of rutin prolonged the S. frugiperda life cycle. The use of plant with insecticidal activity has the potential with strategy in IPM.Keywords: fall armyworm, insecticide plant, secondary metabolite, flavonoid.Efeito do flavonoide rutina na biologia de Spodoptera frugiperda (Lepidoptera: Noctuidae) RESUMO. A lagarta Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) é a principal praga da cultura do milho no Brasil. A ação de substância química de defesa de planta, na biologia e comportamento de inseto é pouco estudada. O objetivo do trabalho foi avaliar a ação de rutina e os efeitos na biologia da lagarta S. frugiperda, utilizando-se dieta artificial acrescida com este flavonoide. O trabalho consistiu de quatro tratamentos: dieta normal (testemunha) e dieta com adição de 1,0; 2,0 e 3,0 mg g -1 de rutina. As lagartas foram avaliadas diariamente, observando os parâmetros biológicos: período, peso e viabilidade larval, período, peso e viabilidade pupal, longevidade de adultos e ciclo total. Utilizou-se o delineamento experimental inteiramente casualizado com 25 repetições. O flavonoide rutina mostrou-se influenciar de forma negativa a biologia de S. frugiperda por prolongar o período larval, diminuir o peso larval e pupal e viabilidade pupal. A adição de rutina nas diferentes concentrações prolongou o ciclo de S. frugiperda. O uso de planta com atividade inseticida tem potencial como estratégia em MIP.Palavras-chave: lagarta do cartucho, planta inseticida, metabolito secundário, flavonoide.

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“…For induction of salinity stress, the plants were watered three times a week with 500 mL of 75mM NaCl solution (Lucci and Mazzafera 2009). At the end of 9 d, the plants were collected and stored in a freezer at (80 o C. Water stress was gradually induced by supplying the pots with half the amount of water lost in the previous day.…”

Section: Induction Of Stressmentioning

confidence: 99%

“…This tissue contains a large quantity of rutin (Lucci and Mazzafera 2009). One-hundred grams of leaf buds were used as the starting material, and the initial purification procedure was similar to the procedure described above for the determination of rutin and isoquercitrin activities, i.e., precipitation with ammonium sulfate and desalting in a Sephadex G25 column (20 cm )3 cm).…”

Section: Purification Of Rutin Synthasementioning

confidence: 99%

“…It has been suggested that the increase in rutin content during the development of Fagopyrum tartaricum is related to antioxidant and antifungal activities (Suzuki et al 2007). In a recent study, we showed that rutin is found in many tissues in the seedlings and adults plants of fava d'anta and that salt, drought and flooding stressors alter the rutin content of seedlings (Lucci and Mazzafera 2009). Leaf tissues had the highest concentration of rutin, and they also showed higher levels of rutin in response to stress.…”

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confidence: 99%

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Rutin synthase in fava d’anta: purification and influence of stressors

Lucci¹,

Mazzafera²

2009

Can. J. Plant Sci.

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Lucci, N. and Mazzafera, P. 2009. Rutin synthase in fava d'anta: Purification and influence of stressors. Can. J. Plant Sci. 89: 895Á902. The flavonoid rutin is synthesized in plants from quercetin, via a process in which isoquercitrin is an intermediary metabolite. In this work, the activities of isoquercitrin synthase and rutin synthase, and the quercetin, isoquercitrin and rutin contents of fava d'anta plants stressed for water (drought and flooding) and salt (NaCl) were studied. In general, stress increased the contents of the three compounds and both enzyme activities. Semi-purified rutin synthase and isoquercitrin synthase showed Km values of 1.816 and 2.10 mM, respectively, with optimum reaction pHs of 5 and 7, respectively, and an optimum reaction temperature of 35 o C. Rutin synthase was purified from leaf buds and showed an apparent molecular mass of 39 KDa by SDS-PAGE. Mass spectrometry analysis of the purified protein did not reveal any similarity to the few known sequenced glycosyltransferases.

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Distribution of rutin in fava d'anta (Dimorphandra mollis) seedlings under stress

Cited by 22 publications

References 29 publications

Spatial patterns and associations of four species in an old-growth temperate forest

Spatial patterns and associations of four species in an old-growth temperate forest

<b>Effect of the flavonoid rutin on the biology of <i>Spodoptera frugiperda</i> (Lepidoptera: Noctuidae)

Rutin synthase in fava d’anta: purification and influence of stressors

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