Influence of temperature on the beginning of degreening in lemon peel

Manera, F.J.; Brotons, José M.; Conesa, A.; Porras, I.

doi:10.1016/j.scienta.2012.07.021

Cited by 22 publications

(15 citation statements)

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“…8A–C). Similar to our study, previous studies have also demonstrated that peel degreening in most citrus fruit progresses as the environmental temperature decreases (Manera et al ., 2012; Manera et al ., 2013; Rodrigo et al ., 2013; Conesa et al ., 2019). It is intriguing that ClCLH1 and ClERF114 , which were earlier shown to exhibit an ethylene-specific pattern (Fig.…”

Section: Discussionsupporting

confidence: 92%

“…However, the important regulators involved in natural peel degreening remain a mystery since citrus fruit are considered non-climacteric, and thus produce trace levels of endogenous ethylene (system I ethylene) (Katz et al ., 2004). Previous studies have demonstrated that there is a close association between low temperature and peel colouration in multiple citrus fruit species (Carmona et al ., 2012a; Manera et al ., 2012; Manera et al ., 2013), but the molecular mechanisms involved are unclear. In the present work, we present conclusive data demonstrating that low temperature can transcriptionally modulate natural peel degreening in lemon fruit independently of the ethylene signal.…”

Section: Discussionmentioning

confidence: 99%

“…Typically, as most citrus fruit mature on the tree, the seasonal temperature drops. Multiple studies have thus demonstrated that cold periods below 13°C are required to stimulate on-tree fruit colour development (Manera et al ., 2012; Manera et al ., 2013; Rodrigo et al ., 2013; Conesa et al ., 2019). During storage, low/intermediate temperatures (6–15°C) have also been shown to promote peel degreening (Matsumoto et al ., 2009; Van Wyk et al ., 2009; Zhu et al ., 2011; Carmona et al ., 2012a; Tao et al ., 2012).…”

Section: Introductionmentioning

confidence: 99%

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Low temperature transcriptionally modulates natural peel degreening in lemon (Citrus limon L.) fruit independently of endogenous ethylene

Mitalo

Otsuki

Okada

et al. 2019

Preprint

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AbstractPeel degreening is an important aspect of fruit ripening in many citrus fruit, and earlier studies have shown that it can be advanced either by ethylene treatment or during low temperature storage. However, the important regulators and pathways involved in natural peel degreening remain largely unknown. To understand how natural peel degreening is regulated in lemon (Citrus limon L.) fruit, flavedo transcriptome and physiochemical changes in response to either ethylene treatment or low temperature were studied. Ethylene treatment induced rapid peel degreening which was strongly inhibited by the ethylene antagonist, 1-methylcyclopropene (1-MCP). Compared with 25°C, moderately low temperatures (5°C, 10°C, 15°C and 20°C) also triggered peel degreening. Surprisingly, repeated 1-MCP treatments failed to inhibit the peel degreening induced by low temperature. Transcriptome analysis revealed that low temperature and ethylene independently regulated genes associated with chlorophyll degradation, carotenoid metabolism, photosystem proteins, phytohormone biosynthesis and signalling, and transcription factors. On-tree peel degreening occurred along with environmental temperature drops, and it coincided with the differential expression of low temperature-regulated genes. In contrast, genes that were uniquely regulated by ethylene showed no significant expression changes during on-tree peel degreening. Based on these findings, we hypothesize that low temperature plays a prominent role in regulating natural peel degreening independently of ethylene in citrus fruit.HighlightCitrus peel degreening is promoted by low temperature via modulation of multiple genes associated with chlorophyll degradation, carotenoid biosynthesis, photosystem disassembly, phytohormones and transcription factors without involving ethylene signalling.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Low temperature transcriptionally modulates natural peel degreening in lemon (Citrus limon L.) fruit independently of endogenous ethylene

Mitalo

Otsuki

Okada

et al. 2019

Preprint

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“…Another study conducted with red grapefruit and sweet orange indicated that low day/night temperatures (16/5 • C) are required for carotenoid formation, but higher day/night temperatures (35/30 • C) promote lycopene formation (Meredith and Young, 1971). In different lemon varieties it has been also observed a stimulatory effect of low temperatures (6-15 • C) in peel colour change (Manera et al, 2012). In Satsuma mandarin the effect of root temperature (14 and 30 • C) on carotenoid content in the peel indicated that fruit degreening was faster and total carotenoids were higher at low temperature (Sonnen et al, 1979).…”

Section: Temperaturementioning

confidence: 98%

Biochemical bases and molecular regulation of pigmentation in the peel of Citrus fruit

Rodrigo

Alquézar

Alós

et al. 2013

Scientia Horticulturae

156

113

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“…La relación entre temperaturas mínimas y la coordenada a en el desverdizado de la corteza del limón, como se demostró en trabajos anteriores (Manera et al, 2012a), el aumento de la coordenada a indica el comienzo del desverdizado (disminución de valores negativos) y esto ocurre cuando la temperatura mínima diaria cae por debajo de 10.5 ° C, durante al menos dos días. Han et al, 2012 estudiaron el efecto del calentamiento global sobre las características del fruto del fruto de pera 'Niitaka' (Pyrus pyrifolia Nakai).…”

Section: Resultsunclassified

Diseño de una Infraestructura de datos espaciales sobre agricultura y agua en la Región de Murcia-IDEarM: aplicación al Campo de Cartagena y el Mar Menor

Arrabal¹

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The integration of several sources of spatial datasets is relevant to develop of public services in all thematic domains. These services are provided and also used by all levels of the administration. Actually, the demand of these services is increasing among the managers of water to find more efficient solutions in the planning of water resources uses. To reach this aim, the integration of several huge geographical datasets from different sources and spatiotemporal resolutions is needed. At the present, the spatial information presents a relevant role in the decision-taking process in all levels of the administration, considering the 14/2010 Law, of 5th of July, about the infrastructures and geographical information services of Spain, the European INSPIRE Directive, or the executive law of USA President of 2002 that was one of the pioneer in this topic.However, the administrations usually have difficulties to integrate all the available geographical information for a same thematic and territory. The huge diversity of data models, the several specifications, and the different types of connectors used in the organizations with competences in the same territory, constitute barriers in the integration. To avoid these limitations, the organisms should be defined common norms, standard specifications and agreements for sharing and facilitating the interoperability of the spatial datasets among the several involved institutions. In base of these requirements, the Spatial Data Infrastructures (SDI) in different thematic domains, are increasing. The INSPIRE European Directive is providing a framework with several technological recommendations to avoid the problems of datasets integration from several sources. The SDIs include spatial datasets, user requirements, and access system by internet, norms and politics with the aim to facilitate the integration of several sources of spatial datasets. To reach the effective integration of spatial datasets, these should be characterized to allow the development of interoperable and efficient query services.The research strategy was designed to reach the following specific objectives: (i) to identify the barriers, both technological and others, that are avoiding an effective integration of several dataset within a regional thematic SDI about agriculture and water in the Murcia Region (IDEarM); (ii) to characterize the available datasets for both thematic (agriculture and water); to design a model dataset about these topics; (iv) to analyze the relevant components of interoperability tools for facilitating the implementation of INSPIRE European Directive; and finally (v) to develop the implementation of IDEarM as a tool to support the decision-taking process to characterize the citrus crops in the Campo of Cartagena area and the monitoring of water quality and bathymetry in the Mar Menor, the management of geographical information resources and the implementation of associated services with the integration of datasets considering the technological, institutional, political, legal an...

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Influence of temperature on the beginning of degreening in lemon peel

Cited by 22 publications

References 0 publications

Low temperature transcriptionally modulates natural peel degreening in lemon (Citrus limon L.) fruit independently of endogenous ethylene

Low temperature transcriptionally modulates natural peel degreening in lemon (Citrus limon L.) fruit independently of endogenous ethylene

Biochemical bases and molecular regulation of pigmentation in the peel of Citrus fruit

Diseño de una Infraestructura de datos espaciales sobre agricultura y agua en la Región de Murcia-IDEarM: aplicación al Campo de Cartagena y el Mar Menor

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