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Straube J, Hurtado G, Zeisler-Diehl V, Schreiber L, Knoche M. Cuticle deposition ceases during strawberry fruit development. BMC PLANT BIOLOGY 2024; 24:623. [PMID: 38951751 PMCID: PMC11218262 DOI: 10.1186/s12870-024-05327-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 06/24/2024] [Indexed: 07/03/2024]
Abstract
BACKGROUND Ideally, the barrier properties of a fruit's cuticle persist throughout its development. This presents a challenge for strawberry fruit, with their rapid development and thin cuticles. The objective was to establish the developmental time course of cuticle deposition in strawberry fruit. RESULTS Fruit mass and surface area increase rapidly, with peak growth rate coinciding with the onset of ripening. On a whole-fruit basis, the masses of cutin and wax increase but on a unit surface-area basis, they decrease. The decrease is associated with marked increases in elastic strain. The expressions of cuticle-associated genes involved in transcriptional regulation (FaSHN1, FaSHN2, FaSHN3), synthesis of cutin (FaLACS2, FaGPAT3) and wax (FaCER1, FaKCS10, FaKCR1), and those involved in transport of cutin monomers and wax constituents (FaABCG11, FaABCG32) decreased until maturity. The only exceptions were FaLACS6 and FaGPAT6 that are presumably involved in cutin synthesis, and FaCER1 involved in wax synthesis. This result was consistent across five strawberry cultivars. Strawberry cutin consists mainly of C16 and C18 monomers, plus minor amounts of C19, C20, C22 and C24 monomers, ω-hydroxy acids, dihydroxy acids, epoxy acids, primary alcohols, carboxylic acids and dicarboxylic acids. The most abundant monomer is 10,16-dihydroxyhexadecanoic acid. Waxes comprise mainly long-chain fatty acids C29 to C46, with smaller amounts of C16 to C28. Wax constituents are carboxylic acids, primary alcohols, alkanes, aldehydes, sterols and esters. CONCLUSION The downregulation of cuticle deposition during development accounts for the marked cuticular strain, for the associated microcracking, and for their high susceptibility to the disorders of water soaking and cracking.
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Affiliation(s)
- Jannis Straube
- Institute of Horticultural Production Systems, Fruit Science Section, Leibniz University Hannover, Herrenhäuser Straße 2, Hannover, 30419, Germany
| | - Grecia Hurtado
- Institute of Horticultural Production Systems, Fruit Science Section, Leibniz University Hannover, Herrenhäuser Straße 2, Hannover, 30419, Germany
| | - Viktoria Zeisler-Diehl
- Department of Ecophysiology, Institute of Cellular and Molecular Botany (IZMB), University of Bonn, Kirschallee 1, Bonn, 53115, Germany
| | - Lukas Schreiber
- Department of Ecophysiology, Institute of Cellular and Molecular Botany (IZMB), University of Bonn, Kirschallee 1, Bonn, 53115, Germany
| | - Moritz Knoche
- Institute of Horticultural Production Systems, Fruit Science Section, Leibniz University Hannover, Herrenhäuser Straße 2, Hannover, 30419, Germany.
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2
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Manzoor MA, Xu Y, Lv Z, Xu J, Shah IH, Sabir IA, Wang Y, Sun W, Liu X, Wang L, Liu R, Jiu S, Zhang C. Horticulture crop under pressure: Unraveling the impact of climate change on nutrition and fruit cracking. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 357:120759. [PMID: 38554453 DOI: 10.1016/j.jenvman.2024.120759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/09/2024] [Accepted: 03/23/2024] [Indexed: 04/01/2024]
Abstract
Climate change is increasingly affecting the nutritional content and structural integrity of horticultural crops, leading to challenges such as diminished fruit quality and the exacerbation of fruit cracking. This manuscript systematically explores the multifaceted impacts of these changes, with a particular focus on the nutritional quality and increased incidence of fruit cracking. An exhaustive review of current research identifies the critical role of transcription factors in mediating plant responses to climatic stressors, such as drought, temperature extremes, and saline conditions. The significance of transcription factors, including bHLH, bZIP, DOF, MDP, HD-ZIP, MYB, and ERF4, is highlighted in the development of fruit cracking, underscoring the genetic underpinnings behind stress-related phenotypic outcomes. The effectiveness of greenhouse structures in mitigating adverse climatic effects is evaluated, offering a strategic approach to sustain crop productivity amidst CO2 fluctuations and water scarcity, which are shown to influence plant physiology and lead to changes in fruit development, nutrient dynamics, and a heightened risk of cracking. Moreover, the manuscript delves into advanced breeding strategies and genetic engineering techniques, such as genome editing, to enhance crop resilience against climatic challenges. It also discusses adaptation strategies vital for sustainable horticulture, emphasizing the need to integrate novel genetic insights with controlled environment horticulture to counteract climate change's detrimental effects. The synthesis presented here underscores the urgent need for innovative breeding strategies aimed at developing resilient crop varieties that can withstand climatic uncertainty while preserving nutritional integrity.
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Affiliation(s)
- Muhammad Aamir Manzoor
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Yan Xu
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Zhengxin Lv
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Jieming Xu
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Iftikhar Hussain Shah
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Irfan Ali Sabir
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Yuxuan Wang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Wanxia Sun
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Xunju Liu
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Li Wang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Ruie Liu
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China
| | - Songtao Jiu
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China.
| | - Caixi Zhang
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, PR China.
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Balbontín C, Gutiérrez C, Schreiber L, Zeisler-Diehl VV, Marín JC, Urrutia V, Hirzel J, Figueroa CR. Alkane biosynthesis is promoted in methyl jasmonate-treated sweet cherry (Prunus avium) fruit cuticles. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:530-535. [PMID: 37515815 DOI: 10.1002/jsfa.12891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 07/31/2023]
Abstract
BACKGROUND The cuticle plays an important role in the survival of plants, and it is important to preserve the quality of fleshy fruits like sweet cherry. Plant hormones play a role in cuticle formation. In this sense, jasmonates have been shown to induce cuticle biosynthesis, but until today this has not been demonstrated in sweet cherry fruit. Therefore, the effect of exogenous methyl jasmonate (MeJA) application at the fruit set stage on the expression levels of cuticle synthesis-related genes and the wax composition of the isolated cuticle was studied in developing and ripe fruits of sweet cherry (Prunus avium 'Bing'), respectively. RESULTS MeJA treatment resulted in up-regulation of the cuticle biosynthesis-related gene expression, such as PaWINA, PaWINB, PaKCS1, PaKCS6, PaLACS1, PaLACS2, PaWS, and PaWBC11. These genes play a vital role in the elongation and transport of fatty acids, and wax biosynthesis. Analysis of cuticular components in ripe fruit showed an increase in long-chain linear aliphatic wax compounds, particularly C27, C28, C29, C30, and C31 alkanes. CONCLUSION Exogenous MeJA application at the fruit set stage of sweet cherry has a significant effect on the wax composition of the ripe fruit cuticle, particularly in terms of alkane biosynthesis. The results of this study may provide insights into the regulation of cuticle biosynthesis by jasmonates and be useful for improving fruit quality and storage life. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Cristián Balbontín
- Departamento de Producción Vegetal, Instituto de Investigaciones Agropecuarias, Chillán, Chile
| | - Camilo Gutiérrez
- Departamento de Ciencias Básicas, Universidad del Bío-Bío, Chillán, Chile
| | - Lukas Schreiber
- Department of Ecophysiology, Institute of Cellular and Molecular Botany, University of Bonn, Bonn, Germany
| | - Viktoria V Zeisler-Diehl
- Department of Ecophysiology, Institute of Cellular and Molecular Botany, University of Bonn, Bonn, Germany
| | - Juan C Marín
- Departamento de Ciencias Básicas, Universidad del Bío-Bío, Chillán, Chile
| | - Victoria Urrutia
- Departamento de Producción Vegetal, Instituto de Investigaciones Agropecuarias, Chillán, Chile
| | - Juan Hirzel
- Departamento de Producción Vegetal, Instituto de Investigaciones Agropecuarias, Chillán, Chile
| | - Carlos R Figueroa
- Laboratory of Plant Molecular Physiology, Institute of Biological Sciences, Campus Talca, Universidad de Talca, Talca, Chile
- Millennium Nucleus for the Development of Super Adaptable Plants (MN-SAP), Santiago, Chile
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Donkpegan ASL, Bernard A, Barreneche T, Quero-García J, Bonnet H, Fouché M, Le Dantec L, Wenden B, Dirlewanger E. Genome-wide association mapping in a sweet cherry germplasm collection ( Prunus avium L.) reveals candidate genes for fruit quality traits. HORTICULTURE RESEARCH 2023; 10:uhad191. [PMID: 38239559 PMCID: PMC10794993 DOI: 10.1093/hr/uhad191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/12/2023] [Indexed: 01/22/2024]
Abstract
In sweet cherry (Prunus avium L.), large variability exists for various traits related to fruit quality. There is a need to discover the genetic architecture of these traits in order to enhance the efficiency of breeding strategies for consumer and producer demands. With this objective, a germplasm collection consisting of 116 sweet cherry accessions was evaluated for 23 agronomic fruit quality traits over 2-6 years, and characterized using a genotyping-by-sequencing approach. The SNP coverage collected was used to conduct a genome-wide association study using two multilocus models and three reference genomes. We identified numerous SNP-trait associations for global fruit size (weight, width, and thickness), fruit cracking, fruit firmness, and stone size, and we pinpointed several candidate genes involved in phytohormone, calcium, and cell wall metabolisms. Finally, we conducted a precise literature review focusing on the genetic architecture of fruit quality traits in sweet cherry to compare our results with potential colocalizations of marker-trait associations. This study brings new knowledge of the genetic control of important agronomic traits related to fruit quality, and to the development of marker-assisted selection strategies targeted towards the facilitation of breeding efforts.
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Affiliation(s)
- Armel S L Donkpegan
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
- UMR BOA, SYSAAF, Centre INRAE Val de Loire, 37380
Nouzilly, France
| | - Anthony Bernard
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
| | - Teresa Barreneche
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
| | - José Quero-García
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
| | - Hélène Bonnet
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
| | - Mathieu Fouché
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
| | - Loïck Le Dantec
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
| | - Bénédicte Wenden
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
| | - Elisabeth Dirlewanger
- UMR BFP, INRAE, University of Bordeaux, 71 Avenue Edouard
Bourlaux, F-33882 Villenave d’Ornon, France
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Liu C, Yu L, Yang L, Tan C, Shi F, Ye X, Liu Z. Identification of a new allele of BraA09g066480.3C controlling the wax-less phenotype of Chinese cabbage. BMC PLANT BIOLOGY 2023; 23:408. [PMID: 37658308 PMCID: PMC10472645 DOI: 10.1186/s12870-023-04424-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 08/27/2023] [Indexed: 09/03/2023]
Abstract
BACKGROUND Epidermal wax covers the surfaces of terrestrial plants to resist biotic and abiotic stresses. Wax-less flowering Chinese cabbage (Brassica campestris L. ssp. chinesis var. utilis tsen et lee) has the charateristics of lustrous green leaves and flower stalks, which are of high commercial value. RESULTS To clarify the mechanism of the wax deficiency, the wax-less flowering Chinese cabbage doubled-haploid (DH) line 'CX001' and Chinese cabbage DH line 'FT', obtained from isolated microspore culture, were used in the experiments. Genetic analysis showed that the wax-less phenotype of 'CX001' was controlled by a recessive nuclear gene, named wlm1 (wax-less mutation 1), which was fine-mapped on chromosome A09 by bulked segregant analysis sequencing (BSA-seq) of B.rapa genome V3.0. There was only one gene (BraA09g066480.3C) present in the mapping region. The homologous gene in Arabidopsis thaliana is AT1G02205 (CER1) that encodes an aldehyde decarboxylase in the epidermal wax metabolism pathway. Semi-quantitative reverse transcription PCR and transcriptome analysis indicated that BraA09g066480.3C was expressed in 'FT' but not in 'CX001'. BraA09g066480.3C was lost in the CXA genome to which 'CX001' belonged. CONCLUSION The work presented herein demonstrated that BraA09g066480.3C was the causal gene for wax-less flowering Chinese cabbage 'CX001'. This study will lay a foundation for further research on the molecular mechanism of epidermal wax synthesis in flowering Chinese cabbage.
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Affiliation(s)
- Chuanhong Liu
- Laboratory of Vegetable Genetics Breeding and Biotechnology, Department of Horticulture, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang, 110866, China
| | - Longfei Yu
- Laboratory of Vegetable Genetics Breeding and Biotechnology, Department of Horticulture, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang, 110866, China
| | - Lu Yang
- Laboratory of Vegetable Genetics Breeding and Biotechnology, Department of Horticulture, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang, 110866, China
| | - Chong Tan
- Laboratory of Vegetable Genetics Breeding and Biotechnology, Department of Horticulture, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang, 110866, China
| | - Fengyan Shi
- Vegetable Research Institute of Liaoning Academy of Agricultural Sciences, Shenyang, 110161, China
| | - Xueling Ye
- Laboratory of Vegetable Genetics Breeding and Biotechnology, Department of Horticulture, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang, 110866, China.
| | - Zhiyong Liu
- Laboratory of Vegetable Genetics Breeding and Biotechnology, Department of Horticulture, Shenyang Agricultural University, No. 120 Dongling Road, Shenhe District, Shenyang, 110866, China.
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Khanal BP, Bhattarai A, Aryal D, Knoche M. Neck shrivel in European plum is caused by cuticular microcracks, resulting from rapid lateral expansion of the neck late in development. PLANTA 2023; 258:62. [PMID: 37542542 PMCID: PMC10404172 DOI: 10.1007/s00425-023-04218-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 07/26/2023] [Indexed: 08/07/2023]
Abstract
MAIN CONCLUSION Susceptibility to neck shrivel in European plum is due to cuticular microcracking resulting from high surface area growth rates in the neck region, late in development. Susceptibility to the commercially important fruit disorder 'neck shrivel' differs among European plum cultivars. Radial cuticular microcracking occurs in the neck regions of susceptible cultivars, but not in non-susceptible ones, so would seem to be causal. However, the reason for the microcracking is unknown. The objective was to identify potential relationships between fruit growth pattern and microcracking incidence in the neck (proximal) and stylar (distal) ends of selected shrivel-susceptible and non-susceptible cultivars. Growth analysis revealed two allometric categories: The first category, the 'narrow-neck' cultivars, showed hypoallometric growth in the neck region (i.e., slower growth than in the region of maximum diameter) during early development (stages I + II). Later (during stage III) the neck region was 'filled out' by hyperallometric growth (i.e., faster than in the region of maximum diameter). The second category, the 'broad-neck' cultivars, had more symmetrical, allometric growth (all regions grew equally fast) throughout development. The narrow-neck cultivars exhibited extensive radial cuticular microcracking in the neck region, but little microcracking in the stylar region. In contrast, the broad-neck cultivars exhibited little microcracking overall, with no difference between the neck and stylar regions. Across all cultivars, a positive relationship was obtained for the level of microcracking in the neck region and the difference in allometric growth ratios between stage III and stages I + II. There were no similar relationships for the stylar region. The results demonstrate that accelerated stage III neck growth in the narrow-neck plum cultivars is associated with more microcracking and thus with more shrivel.
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Affiliation(s)
- Bishnu P Khanal
- Institute for Horticultural Production Systems, Leibniz University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Anil Bhattarai
- Institute for Horticultural Production Systems, Leibniz University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Divya Aryal
- Institute for Horticultural Production Systems, Leibniz University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Moritz Knoche
- Institute for Horticultural Production Systems, Leibniz University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany.
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7
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Composition, metabolism and postharvest function and regulation of fruit cuticle: A review. Food Chem 2023; 411:135449. [PMID: 36669336 DOI: 10.1016/j.foodchem.2023.135449] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/19/2022] [Accepted: 01/07/2023] [Indexed: 01/15/2023]
Abstract
The cuticle of plants, a hydrophobic membrane that covers their aerial organs, is crucial to their ability to withstand biotic and abiotic stressors. Fruit is the reproductive organ of plants, and an important dietary source that can offer a variety of nutrients for the human body, and fruit cuticle performs a crucial protective role in fruit development and postharvest quality. This review discusses the universality and diversity of the fruit cuticle composition, and systematically summarizes the metabolic process of fruit cuticle, including the biosynthesis, transport and regulatory factors (including transcription factors, phytohormones and environmental elements) of fruit cuticle. Additionally, we emphasize the postharvest functions and postharvest regulatory technologies of fruit cuticle, and propose future research directions for fruit cuticle.
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Santos M, Egea-Cortines M, Gonçalves B, Matos M. Molecular mechanisms involved in fruit cracking: A review. FRONTIERS IN PLANT SCIENCE 2023; 14:1130857. [PMID: 36937999 PMCID: PMC10016354 DOI: 10.3389/fpls.2023.1130857] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
Several fleshy fruits are highly affected by cracking, a severe physiological disorder that compromises their quality and causes high economical losses to the producers. Cracking can occur due to physiological, genetic or environmental factors and may happen during fruit growth, development and ripening. Moreover, in fleshy fruits, exocarp plays an important role, acting as a mechanical protective barrier, defending against biotic or abiotic factors. Thus, when biochemical properties of the cuticle + epidermis + hypodermis are affected, cracks appear in the fruit skin. The identification of genes involved in development such as cell wall modifications, biosynthesis and transport of cuticular waxes, cuticular membrane deposition and associated transcription factors provides new insights to better understand how fruit cracking is affected by genetic factors. Amongst the major environmental stresses causing cracking are excessive water during fruit development, leading to imbalances in cations such as Ca. This review focus on expression of key genes in these pathways, in their influence in affected fruits and the potential for molecular breeding programs, aiming to develop cultivars more resistant to cracking under adverse environmental conditions.
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Affiliation(s)
- Marlene Santos
- Department of Genetics and Biotechnology (DGB), University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- Institute for Innovation, Capacity Building and Sustainability of Agri-food Production (Inov4Agro), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - Marcos Egea-Cortines
- Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Berta Gonçalves
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- Institute for Innovation, Capacity Building and Sustainability of Agri-food Production (Inov4Agro), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- Department of Biology and Environment (DeBA), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - Manuela Matos
- Department of Genetics and Biotechnology (DGB), University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- Institute for Innovation, Capacity Building and Sustainability of Agri-food Production (Inov4Agro), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
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Gonçalves B, Silva V, Bacelar E, Guedes F, Ribeiro C, Silva AP, Pereira S. Orchard Net Covers Improve Resistance to Cherry Cracking Disorder. Foods 2023; 12:foods12030543. [PMID: 36766071 PMCID: PMC9914920 DOI: 10.3390/foods12030543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/29/2022] [Accepted: 12/31/2022] [Indexed: 01/28/2023] Open
Abstract
Orchard net cover improves plant physiology, yield and fruit quality, pest and disease control, and anticipates fruit ripening. Moreover, this crop technology has been used to reduce natural cherry cracking (NCC). This is a serious physiological disorder that cracks the epidermis, the hypodermis, and the storage parenchyma layers of the fruit due to rainfall events near the harvest and it is related to low fruit osmotic potential and/or high fruit water permeability. This work aims to study the effect of orchard net cover on sweet cherry trees, cv. Early Bigi, in two harvesting years (2019 and 2021). The NCC, the induced cracking index (CI), and the cracking type incidence were determined. In addition, epicuticular and intra-cuticular wax content, biometric and physicochemical parameters were also evaluated. Net cover reduced the natural cracking index by 40%. High fruit weight values were observed in covered trees comparing to the control ones, with increases of 45% and 13%, in 2019 and 2021, respectively. A positive correlation was observed between CI and total soluble solids and a negative correlation between CI and wax content. Therefore, with forecasts of worsening heavy precipitation events near harvest, protecting cherry trees with nets will increase resistance to fruit cracking.
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Affiliation(s)
- Berta Gonçalves
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, (Inov4Agro), University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
- Correspondence:
| | - Vânia Silva
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, (Inov4Agro), University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Eunice Bacelar
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, (Inov4Agro), University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Francisco Guedes
- Cermouros-Cerejas de São Martinho de Mouros, Lda., Quinta da Ribeira, Bulhos, 4660-210 Resende, Portugal
| | - Carlos Ribeiro
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, (Inov4Agro), University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Ana Paula Silva
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, (Inov4Agro), University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Sandra Pereira
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, (Inov4Agro), University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal
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Lee S, Jang G, Choi Y, Park G, Park S, Kwon G, Je B, Park Y. Identification of Candidate Genes for Rind Color and Bloom Formation in Watermelon Fruits Based on a Quantitative Trait Locus-Seq. PLANTS (BASEL, SWITZERLAND) 2022; 11:2739. [PMID: 36297763 PMCID: PMC9611755 DOI: 10.3390/plants11202739] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/04/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Watermelon fruit rind color (RC) and bloom formation (BF) affect product value and consumer preference. However, information on the candidate gene(s) for additional loci involved in dark green (DG) RC and the genetic control of BF and its major chemical components is lacking. Therefore, this study aimed to identify loci controlling RC and BF using QTL-seq of the F2 population derived by crossing 'FD061129' with light-green rind and bloom and 'SIT55616RN' with DG rind and bloomless. Phenotypic evaluation of the F1 and 219 F2 plants indicated the genetic control of two complementary dominant loci, G1 and G2, for DG and a dominant locus, Bf, for BF. QTL-seq identified a genomic region on Chr.6 for G1, Chr.8 for G2, and Chr.1 for Bf. G1 and G2 helped determine RC with possible environmental effects. Chlorophyll a-b binding protein gene-based CAPS (RC-m5) at G1 matched the highest with the RC phenotype. In the 1.4 cM Bf map interval, two additional gene-based CAPS markers were designed, and the CAPS for a nonsynonymous SNP in Cla97C01G020050, encoding a CSC1-like protein, cosegregated with the BF trait in 219 F2 plants. Bloom powder showed a high Ca2+ concentration (16,358 mg·kg-1), indicating that the CSC1-like protein gene is possibly responsible for BF. Our findings provide valuable information for marker-assisted selection for RC and BF and insights into the functional characterization of genes governing these watermelon-fruit-related traits.
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Affiliation(s)
- Siyoung Lee
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Korea
| | - Gaeun Jang
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Korea
| | - Yunseo Choi
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Korea
| | - Girim Park
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Korea
| | - Seoyeon Park
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Korea
| | | | - Byoungil Je
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Korea
| | - Younghoon Park
- Department of Horticultural Bioscience, Pusan National University, Miryang 50463, Korea
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11
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García-Coronado H, Tafolla-Arellano JC, Hernández-Oñate MÁ, Burgara-Estrella AJ, Robles-Parra JM, Tiznado-Hernández ME. Molecular Biology, Composition and Physiological Functions of Cuticle Lipids in Fleshy Fruits. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11091133. [PMID: 35567134 PMCID: PMC9099731 DOI: 10.3390/plants11091133] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/09/2022] [Accepted: 04/12/2022] [Indexed: 05/27/2023]
Abstract
Fleshy fruits represent a valuable resource of economic and nutritional relevance for humanity. The plant cuticle is the external lipid layer covering the nonwoody aerial organs of land plants, and it is the first contact between fruits and the environment. It has been hypothesized that the cuticle plays a role in the development, ripening, quality, resistance to pathogen attack and postharvest shelf life of fleshy fruits. The cuticle's structure and composition change in response to the fruit's developmental stage, fruit physiology and different postharvest treatments. This review summarizes current information on the physiology and molecular mechanism of cuticle biosynthesis and composition changes during the development, ripening and postharvest stages of fleshy fruits. A discussion and analysis of studies regarding the relationship between cuticle composition, water loss reduction and maintaining fleshy fruits' postharvest quality are presented. An overview of the molecular mechanism of cuticle biosynthesis and efforts to elucidate it in fleshy fruits is included. Enhancing our knowledge about cuticle biosynthesis mechanisms and identifying specific transcripts, proteins and lipids related to quality traits in fleshy fruits could contribute to the design of biotechnological strategies to improve the quality and postharvest shelf life of these important fruit crops.
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Affiliation(s)
- Heriberto García-Coronado
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo A.C., Carretera Gustavo Enrique Astiazarán Rosas 46, Hermosillo 83304, Sonora, Mexico;
| | - Julio César Tafolla-Arellano
- Laboratorio de Biotecnología y Biología Molecular, Departamento de Ciencias Básicas, Universidad Autónoma Agraria Antonio Narro, Calzada Antonio Narro 1923, Buenavista, Saltillo 25315, Coahuila, Mexico;
| | - Miguel Ángel Hernández-Oñate
- CONACYT-Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo A.C., Carretera Gustavo Enrique Astiazarán Rosas 46, Hermosillo 83304, Sonora, Mexico;
| | - Alexel Jesús Burgara-Estrella
- Departamento de Investigación en Física, Universidad de Sonora, Blvd. Luis Encinas y Rosales S/N, Hermosillo 83000, Sonora, Mexico;
| | - Jesús Martín Robles-Parra
- Coordinación de Desarrollo Regional, Centro de Investigación en Alimentación y Desarrollo A.C., Carretera Gustavo Enrique Astiazarán Rosas 46, Hermosillo 83304, Sonora, Mexico;
| | - Martín Ernesto Tiznado-Hernández
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo A.C., Carretera Gustavo Enrique Astiazarán Rosas 46, Hermosillo 83304, Sonora, Mexico;
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12
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Zhang M, Zhang P, Lu S, Ou-Yang Q, Zhu-Ge Y, Tian R, Jia H, Fang J. Comparative Analysis of Cuticular Wax in Various Grape Cultivars During Berry Development and After Storage. Front Nutr 2022; 8:817796. [PMID: 35028308 PMCID: PMC8748257 DOI: 10.3389/fnut.2021.817796] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 12/20/2021] [Indexed: 11/24/2022] Open
Abstract
Cuticular wax covering the surface of fleshy fruit is closely related to fruit glossiness, development, and post-harvest storage quality. However, the information about formation characteristics and molecular mechanisms of cuticular wax in grape berry is limited. In this study, crystal morphology, chemical composition, and gene expression of cuticular wax in grape berry were comprehensively investigated. Morphological analysis revealed high density of irregular lamellar crystal structures, which were correlated with the glaucous appearances of grape berry. Compositional analysis showed that the dominant wax compounds were triterpenoids, while the most diverse were alkanes. The amounts of triterpenoids declined sharply after véraison, while those of other compounds maintained nearly constant throughout the berry development. The amounts of each wax compounds varied among different cultivars and showed no correlation with berry skin colors. Moreover, the expression profiles of related genes were in accordance with the accumulation of wax compounds. Further investigation revealed the contribution of cuticular wax to the water preservation capacity during storage. These findings not only facilitate a better understanding of the characteristics of cuticular wax, but also shed light on the molecular basis of wax biosynthesis in grape.
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Affiliation(s)
- Mengwei Zhang
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Peian Zhang
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Suwen Lu
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Qixia Ou-Yang
- College of Landscape Architecture, Nanjing Forestry University, Nanjing, China
| | - Yaxian Zhu-Ge
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Ruiping Tian
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Haifeng Jia
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Jinggui Fang
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
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13
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Carvajal F, Castro-Cegrí A, Jiménez-Muñoz R, Jamilena M, Garrido D, Palma F. Changes in Morphology, Metabolism and Composition of Cuticular Wax in Zucchini Fruit During Postharvest Cold Storage. FRONTIERS IN PLANT SCIENCE 2021; 12:778745. [PMID: 34950169 PMCID: PMC8691734 DOI: 10.3389/fpls.2021.778745] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 11/12/2021] [Indexed: 06/14/2023]
Abstract
Cuticle composition is an important economic trait in agriculture, as it is the first protective barrier of the plant against environmental conditions. The main goal of this work was to study the role of the cuticular wax in maintaining the postharvest quality of zucchini fruit, by comparing two commercial varieties with contrasting behavior against low temperatures; the cold-tolerant variety 'Natura', and the cold-sensitive 'Sinatra', as well as 'Sinatra' fruit with induced-chilling tolerance through a preconditioning treatment (15°C for 48 h). The freshly-harvested 'Natura' fruit had a well-detectable cuticle with a significant lower permeability and a subset of 15 up-regulated cuticle-related genes. SEM showed that zucchini epicuticular waxes mainly consisted of round-shaped crystals and clusters of them, and areas with more dense crystal deposition were found in fruit of 'Natura' and of preconditioned 'Sinatra'. The cuticular wax load per surface was higher in 'Natura' than in 'Sinatra' fruit at harvest and after 14 days at 4°C. In addition, total cuticular wax load only increased in 'Natura' and preconditioned 'Sinatra' fruit with cold storage. With respect to the chemical composition of the waxes, the most abundant components were alkanes, in both 'Natura' and 'Sinatra', with similar values at harvest. The total alkane content only increased in 'Natura' fruit and in the preconditioned 'Sinatra' fruit after cold storage, whereas the amount of total acids decreased, with the lowest values observed in the fruit that showed less chilling injury (CI) and weight loss. Two esters were detected, and their content also decreased with the storage in both varieties, with a greater reduction observed in the cold-tolerant variety in response to low temperature. Gene expression analysis showed significant differences between varieties, especially in CpCER1-like and CpCER3-like genes, involved in alkane production, as well as in the transcription factors CpWIN1-like and CpFUL1-like, associated with cuticle development and epidermal wax accumulation in other species. These results suggest an important role of the alkane biosynthetic pathway and cuticle morphology in maintaining the postharvest quality of zucchini fruit during the storage at low temperatures.
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Affiliation(s)
- Fátima Carvajal
- Department of Plant Physiology, Facultad de Ciencias, University of Granada, Granada, Spain
| | - Alejandro Castro-Cegrí
- Department of Plant Physiology, Facultad de Ciencias, University of Granada, Granada, Spain
| | - Raquel Jiménez-Muñoz
- Department of Plant Physiology, Facultad de Ciencias, University of Granada, Granada, Spain
| | - Manuel Jamilena
- Department of Biology and Geology, Agrifood Campus of International Excellence (CeiA3), University of Almería, Almería, Spain
| | - Dolores Garrido
- Department of Plant Physiology, Facultad de Ciencias, University of Granada, Granada, Spain
| | - Francisco Palma
- Department of Plant Physiology, Facultad de Ciencias, University of Granada, Granada, Spain
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14
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Genotype- and tissue-specific metabolic networks and hub genes involved in water-induced distinct sweet cherry fruit cracking phenotypes. Comput Struct Biotechnol J 2021; 19:5406-5420. [PMID: 34667535 PMCID: PMC8501671 DOI: 10.1016/j.csbj.2021.09.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/23/2021] [Accepted: 09/26/2021] [Indexed: 12/13/2022] Open
Abstract
Sweet cherry fruit cracking is a complex physiological disorder that causes significant economic losses. Despite many years of research there is a lack of understanding of the mechanisms involved in cracking. Here, skin and flesh tissue from the cracking susceptible 'Early Bigi’ and the cracking tolerant ‘Regina’ cultivars were sampled prior and just after water dipping treatment to identify water-affected metabolic networks that putatively involved in fruit cracking. Primary metabolites, most strongly those involved in sugars and amino acid metabolism, such as glucose and asparagine, shifted in 'Early Bigi’ compared with ‘Regina’ tissues following water exposure. Comparisons between cultivars, tissues and dipping points identified significant differentially expressed genes. Particularly, genes related to abscisic acid, ethylene biosynthesis, pectin metabolism, expansins and aquaporins were altered in water-exposed tissues. To further characterize the role of these genes in cracking, their single nucleotide variants of the coding regions was studied in another eight sweet cherry cultivars, which differ in their sensitivity to cracking, revealing a strong link mainly between pectin metabolism-related genes and cracking-phenotypes. Integrated metabolomic and transcriptomic profiling uncovered genotypic- and tissue-specific metabolic pathways, including tricarboxylic acid cycle, cell enlargement, lipid and ethanol biosynthesis, and plant defense that putatively are involved in fruit cracking. Based on these results, a model which describes the skin and flesh metabolic reprogramming during water-induced fruit cracking in the susceptible 'Early Bigi’ cultivar is presented. Τhis study can help to explore novel candidate genes and metabolic pathways for cracking tolerance in sweet cherry.
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15
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Trivedi P, Nguyen N, Klavins L, Kviesis J, Heinonen E, Remes J, Jokipii-Lukkari S, Klavins M, Karppinen K, Jaakola L, Häggman H. Analysis of composition, morphology, and biosynthesis of cuticular wax in wild type bilberry (Vaccinium myrtillus L.) and its glossy mutant. Food Chem 2021; 354:129517. [PMID: 33756336 DOI: 10.1101/2020.04.01.019893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 02/12/2021] [Accepted: 02/27/2021] [Indexed: 05/18/2023]
Abstract
In this study, cuticular wax load, its chemical composition, and biosynthesis, was studied during development of wild type (WT) bilberry fruit and its natural glossy type (GT) mutant. GT fruit cuticular wax load was comparable with WT fruits. In both, the proportion of triterpenoids decreased during fruit development concomitant with increasing proportions of total aliphatic compounds. In GT fruit, a higher proportion of triterpenoids in cuticular wax was accompanied by a lower proportion of fatty acids and ketones compared to WT fruit as well as lower density of crystalloid structures on berry surfaces. Our results suggest that the glossy phenotype could be caused by the absence of rod-like structures in GT fruit associated with reduction in proportions of ketones and fatty acids in the cuticular wax. Especially CER26-like, FAR2, CER3-like, LTP, MIXTA, and BAS genes showed fruit skin preferential expression patterns indicating their role in cuticular wax biosynthesis and secretion.
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Affiliation(s)
- Priyanka Trivedi
- Department of Ecology and Genetics, University of Oulu, FI-90014 Oulu, Finland.
| | - Nga Nguyen
- Department of Ecology and Genetics, University of Oulu, FI-90014 Oulu, Finland.
| | - Linards Klavins
- Department of Environmental Science, University of Latvia, LV-1004 Riga, Latvia.
| | - Jorens Kviesis
- Department of Environmental Science, University of Latvia, LV-1004 Riga, Latvia.
| | - Esa Heinonen
- Centre for Material Analysis, University of Oulu, FI-90014 Oulu, Finland.
| | - Janne Remes
- Centre for Material Analysis, University of Oulu, FI-90014 Oulu, Finland.
| | | | - Maris Klavins
- Department of Environmental Science, University of Latvia, LV-1004 Riga, Latvia.
| | - Katja Karppinen
- Department of Arctic and Marine Biology, UiT The Arctic University of Norway, NO-9037 Tromsø, Norway.
| | - Laura Jaakola
- Department of Arctic and Marine Biology, UiT The Arctic University of Norway, NO-9037 Tromsø, Norway; NIBIO, Norwegian Institute of Bioeconomy Research, NO-1431 Ås, Norway.
| | - Hely Häggman
- Department of Ecology and Genetics, University of Oulu, FI-90014 Oulu, Finland.
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16
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Zumajo-Cardona C, Pabón-Mora N, Ambrose BA. The Evolution of euAPETALA2 Genes in Vascular Plants: From Plesiomorphic Roles in Sporangia to Acquired Functions in Ovules and Fruits. Mol Biol Evol 2021; 38:2319-2336. [PMID: 33528546 PMCID: PMC8136505 DOI: 10.1093/molbev/msab027] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The field of evolutionary developmental biology can help address how morphological novelties evolve, a key question in evolutionary biology. In Arabidopsis thaliana, APETALA2 (AP2) plays a role in the development of key plant innovations including seeds, flowers, and fruits. AP2 belongs to the AP2/ETHYLENE RESPONSIVE ELEMENT BINDING FACTOR family which has members in all viridiplantae, making it one of the oldest and most diverse gene lineages. One key subclade, present across vascular plants is the euAPETALA2 (euAP2) clade, whose founding member is AP2. We reconstructed the evolution of the euAP2 gene lineage in vascular plants to better understand its impact on the morphological evolution of plants, identifying seven major duplication events. We also performed spatiotemporal expression analyses of euAP2/TOE3 genes focusing on less explored vascular plant lineages, including ferns, gymnosperms, early diverging angiosperms and early diverging eudicots. Altogether, our data suggest that euAP2 genes originally contributed to spore and sporangium development, and were subsequently recruited to ovule, fruit and floral organ development. Finally, euAP2 protein sequences are highly conserved; therefore, changes in the role of euAP2 homologs during development are most likely due to changes in regulatory regions.
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Affiliation(s)
- Cecilia Zumajo-Cardona
- New York Botanical Garden, Bronx, NY 10458, United States.,The Graduate Center, City University of New York, New York, NY 10016, United States
| | - Natalia Pabón-Mora
- Instituto de Biología, Universidad de Antioquia, Medellín 050010, Colombia
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17
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Quero-García J, Letourmy P, Campoy JA, Branchereau C, Malchev S, Barreneche T, Dirlewanger E. Multi-year analyses on three populations reveal the first stable QTLs for tolerance to rain-induced fruit cracking in sweet cherry (Prunus avium L.). HORTICULTURE RESEARCH 2021; 8:136. [PMID: 34059661 PMCID: PMC8166915 DOI: 10.1038/s41438-021-00571-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/16/2021] [Accepted: 04/26/2021] [Indexed: 06/01/2023]
Abstract
Rain-induced fruit cracking is a major problem in sweet cherry cultivation. Basic research has been conducted to disentangle the physiological and mechanistic bases of this complex phenomenon, whereas genetic studies have lagged behind. The objective of this work was to disentangle the genetic determinism of rain-induced fruit cracking. We hypothesized that a large genetic variation would be revealed, by visual field observations conducted on mapping populations derived from well-contrasted cultivars for cracking tolerance. Three populations were evaluated over 7-8 years by estimating the proportion of cracked fruits for each genotype at maturity, at three different areas of the sweet cherry fruit: pistillar end, stem end, and fruit side. An original approach was adopted to integrate, within simple linear models, covariates potentially related to cracking, such as rainfall accumulation before harvest, fruit weight, and firmness. We found the first stable quantitative trait loci (QTLs) for cherry fruit cracking, explaining percentages of phenotypic variance above 20%, for each of these three types of cracking tolerance, in different linkage groups, confirming the high complexity of this trait. For these and other QTLs, further analyses suggested the existence of at least two-linked QTLs in each linkage group, some of which showed confidence intervals close to 5 cM. These promising results open the possibility of developing marker-assisted selection strategies to select cracking-tolerant sweet cherry cultivars. Further studies are needed to confirm the stability of the reported QTLs over different genetic backgrounds and environments and to narrow down the QTL confidence intervals, allowing the exploration of underlying candidate genes.
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Affiliation(s)
- José Quero-García
- INRAE, Biologie du Fruit et Pathologie, Université de Bordeaux, UMR 1332, F-33140, Villenave d'Ornon, France.
| | - Philippe Letourmy
- CIRAD, UPR AIDA, University of Montpellier, TA B-115/02, Avenue Agropolis, 34398, Montpellier Cedex 5, France
| | - José Antonio Campoy
- Department of Chromosome Biology, Max Planck Institute for Plant Breeding Research, Carl-von-Linné-Weg, 50289, Cologne, Germany
| | - Camille Branchereau
- INRAE, Biologie du Fruit et Pathologie, Université de Bordeaux, UMR 1332, F-33140, Villenave d'Ornon, France
| | - Svetoslav Malchev
- Fruit Growing Institute - Plovdiv, 12 Ostromila Str., 4004, Plovdiv, Bulgaria
| | - Teresa Barreneche
- INRAE, Biologie du Fruit et Pathologie, Université de Bordeaux, UMR 1332, F-33140, Villenave d'Ornon, France
| | - Elisabeth Dirlewanger
- INRAE, Biologie du Fruit et Pathologie, Université de Bordeaux, UMR 1332, F-33140, Villenave d'Ornon, France
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18
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Trivedi P, Nguyen N, Klavins L, Kviesis J, Heinonen E, Remes J, Jokipii-Lukkari S, Klavins M, Karppinen K, Jaakola L, Häggman H. Analysis of composition, morphology, and biosynthesis of cuticular wax in wild type bilberry (Vaccinium myrtillus L.) and its glossy mutant. Food Chem 2021; 354:129517. [PMID: 33756336 DOI: 10.1016/j.foodchem.2021.129517] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 02/12/2021] [Accepted: 02/27/2021] [Indexed: 10/22/2022]
Abstract
In this study, cuticular wax load, its chemical composition, and biosynthesis, was studied during development of wild type (WT) bilberry fruit and its natural glossy type (GT) mutant. GT fruit cuticular wax load was comparable with WT fruits. In both, the proportion of triterpenoids decreased during fruit development concomitant with increasing proportions of total aliphatic compounds. In GT fruit, a higher proportion of triterpenoids in cuticular wax was accompanied by a lower proportion of fatty acids and ketones compared to WT fruit as well as lower density of crystalloid structures on berry surfaces. Our results suggest that the glossy phenotype could be caused by the absence of rod-like structures in GT fruit associated with reduction in proportions of ketones and fatty acids in the cuticular wax. Especially CER26-like, FAR2, CER3-like, LTP, MIXTA, and BAS genes showed fruit skin preferential expression patterns indicating their role in cuticular wax biosynthesis and secretion.
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Affiliation(s)
- Priyanka Trivedi
- Department of Ecology and Genetics, University of Oulu, FI-90014 Oulu, Finland.
| | - Nga Nguyen
- Department of Ecology and Genetics, University of Oulu, FI-90014 Oulu, Finland.
| | - Linards Klavins
- Department of Environmental Science, University of Latvia, LV-1004 Riga, Latvia.
| | - Jorens Kviesis
- Department of Environmental Science, University of Latvia, LV-1004 Riga, Latvia.
| | - Esa Heinonen
- Centre for Material Analysis, University of Oulu, FI-90014 Oulu, Finland.
| | - Janne Remes
- Centre for Material Analysis, University of Oulu, FI-90014 Oulu, Finland.
| | | | - Maris Klavins
- Department of Environmental Science, University of Latvia, LV-1004 Riga, Latvia.
| | - Katja Karppinen
- Department of Arctic and Marine Biology, UiT The Arctic University of Norway, NO-9037 Tromsø, Norway.
| | - Laura Jaakola
- Department of Arctic and Marine Biology, UiT The Arctic University of Norway, NO-9037 Tromsø, Norway; NIBIO, Norwegian Institute of Bioeconomy Research, NO-1431 Ås, Norway.
| | - Hely Häggman
- Department of Ecology and Genetics, University of Oulu, FI-90014 Oulu, Finland.
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19
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Wang Y, Zhai Z, Sun Y, Feng C, Peng X, Zhang X, Xiao Y, Zhou X, Wang W, Jiao J, Li T. Genome-Wide Identification of the B- BOX Genes that Respond to Multiple Ripening Related Signals in Sweet Cherry Fruit. Int J Mol Sci 2021; 22:ijms22041622. [PMID: 33562756 PMCID: PMC7914455 DOI: 10.3390/ijms22041622] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/24/2021] [Accepted: 02/03/2021] [Indexed: 11/16/2022] Open
Abstract
B-BOX proteins are zinc finger transcription factors that play important roles in plant growth, development, and abiotic stress responses. In this study, we identified 15 PavBBX genes in the genome database of sweet cherry. We systematically analyzed the gene structures, clustering characteristics, and expression patterns of these genes during fruit development and in response to light and various hormones. The PavBBX genes were divided into five subgroups. The promoter regions of the PavBBX genes contain cis-acting elements related to plant development, hormones, and stress. qRT-PCR revealed five upregulated and eight downregulated PavBBX genes during fruit development. In addition, PavBBX6, PavBBX9, and PavBBX11 were upregulated in response to light induction. We also found that ABA, BR, and GA3 contents significantly increased in response to light induction. Furthermore, the expression of several PavBBX genes was highly correlated with the expression of anthocyanin biosynthesis genes, light-responsive genes, and genes that function in multiple hormone signaling pathways. Some PavBBX genes were strongly induced by ABA, GA, and BR treatment. Notably, PavBBX6 and PavBBX9 responded to all three hormones. Taken together, BBX proteins likely play major roles in regulating anthocyanin biosynthesis in sweet cherry fruit by integrating light, ABA, GA, and BR signaling pathways.
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20
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Schumann C, Sitzenstock S, Erz L, Knoche M. Decreased deposition and increased swelling of cell walls contribute to increased cracking susceptibility of developing sweet cherry fruit. PLANTA 2020; 252:96. [PMID: 33141346 PMCID: PMC7609435 DOI: 10.1007/s00425-020-03494-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
During fruit development, cell wall deposition rate decreases and cell wall swelling increases. The cell wall swelling pressure is very low relative to the fruit's highly negative osmotic potential. Rain cracking of sweet cherry fruit is preceded by the swelling of the cell walls. Cell wall swelling decreases both the cell: cell adhesion and the cell wall fracture force. Rain cracking susceptibility increases during fruit development. The objectives were to relate developmental changes in cell wall swelling to compositional changes taking place in the cell wall. During fruit development, total mass of cell wall, of pectins and of hemicelluloses increases, but total mass of cellulose remains constant. The mass of these cell wall fractions increases at a lower rate than the fruit fresh mass-particularly during stage II and early stage III. During stage III, on a whole-fruit basis, the HCl-soluble pectin fraction, followed by the water-soluble pectin fraction, the NaOH-soluble pectin fraction and the oxalate-soluble pectin fraction all increase. At maturity, just the HCl-soluble pectin decreases. Cell wall swelling increases during stages I and II of fruit development, with little change thereafter. This was indexed by light microscopy of skin sections following turgor release, and by determinations of the swelling capacity, water holding capacity and water retention capacity. The increase in cell wall swelling during development was due primarily to increases in NaOH-soluble pectins. The in vitro swelling of cell wall extracts depends on the applied pressure. The swelling pressure of the alcohol-insoluble residue is low throughout development and surprisingly similar across different cell wall fractions. Thus, swelling pressure does not contribute significantly to fruit water potential.
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Affiliation(s)
- Christine Schumann
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Simon Sitzenstock
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Lisa Erz
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Moritz Knoche
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany.
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Oliveira Lino L, Quilot-Turion B, Dufour C, Corre MN, Lessire R, Génard M, Poëssel JL. Cuticular waxes of nectarines during fruit development in relation to surface conductance and susceptibility to Monilinia laxa. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:5521-5537. [PMID: 32556164 PMCID: PMC7501825 DOI: 10.1093/jxb/eraa284] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 06/11/2020] [Indexed: 05/23/2023]
Abstract
The cuticle is composed of cutin and cuticular waxes, and it is the first protective barrier to abiotic and biotic stresses in fruit. In this study, we analysed the composition of and changes in cuticular waxes during fruit development in nectarine (Prunus persica L. Batsch) cultivars, in parallel with their conductance and their susceptibility to Monilinia laxa. The nectarine waxes were composed of triterpenoids, mostly ursolic and oleanolic acids, phytosterols, and very-long-chain aliphatics. In addition, we detected phenolic compounds that were esterified with sugars or with triterpenoids, which are newly described in cuticular waxes. We quantified 42 compounds and found that they changed markedly during fruit development, with an intense accumulation of triterpenoids during initial fruit growth followed by their decrease at the end of endocarp lignification and a final increase in very-long-chain alkanes and hydroxylated triterpenoids until maturity. The surface conductance and susceptibility to Monilinia decreased sharply at the beginning of endocarp lignification, suggesting that triterpenoid deposition could play a major role in regulating fruit permeability and susceptibility to brown rot. Our results provide new insights into the composition of cuticular waxes of nectarines and their changes during fruit development, opening new avenues of research to explore brown rot resistance factors in stone fruit.
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MEASHAM P, LONG L, AĞLAR E, KAİSER C. Efficacy of Anti-Transpirant Sprays on Fruit Cracking and on Fruit Quality at Harvest and Post-Harvest Storage in Sweet Cherry. ULUSLARARASI TARIM VE YABAN HAYATI BILIMLERI DERGISI 2020. [DOI: 10.24180/ijaws.692306] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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23
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Correia S, Santos M, Glińska S, Gapińska M, Matos M, Carnide V, Schouten R, Silva AP, Gonçalves B. Effects of exogenous compound sprays on cherry cracking: skin properties and gene expression. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:2911-2921. [PMID: 32034777 DOI: 10.1002/jsfa.10318] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 01/31/2020] [Accepted: 02/07/2020] [Indexed: 05/23/2023]
Abstract
BACKGROUND Cherry fruit cracking is a costly problem for cherry growers. The effect of repeated sprayings (gibberellic acid - GA3 ; abscisic acid - ABA; salicylic acid - SA; glycine betaine - GB, and Ascophyllum nodosum - AN) combined with CaCl2 , on 'Sweetheart' cherry fruit-cracking characteristics was investigated. Cracking was quantified in terms of cracking incidence, crack morphology, confocal scanning laser microscopy, cuticular wax content, cell-wall modification, and cuticular wax gene expression. RESULTS All spray treatments reduced cracking compared with an untreated control (H2 O), with fewer cheek cracks. The least cracking incidence was observed for ABA + CaCl2 - and GB + CaCl2 -treated fruits, indicating an added benefit compared to spraying with CaCl2 alone. In addition, GB + CaCl2 -treated fruits showed higher fruit diameter. ABA + CaCl2 and GB + CaCl2 sprays showed higher wax content and higher cuticle and epidermal thickness compared with the control, including increased expression of wax synthase (ABA + CaCl2 ) and expansin 1 (GB + CaCl2 ). CONCLUSION In general, factors that improve the cuticle thickness appear to be important at the fruit-coloring stage. At the fruit-ripening stage, larger cell sizes of the epidermis, hypodermis, and parenchyma cells lower cracking incidence, indicating the importance of flexibility and elasticity of the epidermis. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Sofia Correia
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - Marlene Santos
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - Sława Glińska
- Laboratory of Microscopic Imaging and Specialized Biological Techniques, Faculty of Biology and Environmental Protection, University of Łódź, Łódź, Poland
| | - Magdalena Gapińska
- Laboratory of Microscopic Imaging and Specialized Biological Techniques, Faculty of Biology and Environmental Protection, University of Łódź, Łódź, Poland
| | - Manuela Matos
- Department of Genetics and Biotechnology, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- Biosystems and Integrative Sciences Institute (BioISI), Sciences Faculty, University of Lisbon, Lisbon, Portugal
| | - Valdemar Carnide
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- Department of Genetics and Biotechnology, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - Rob Schouten
- Horticulture and Product Physiology, Wageningen University, Wageningen, The Netherlands
| | - Ana Paula Silva
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - Berta Gonçalves
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
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24
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Sweet Cherry ( Prunus avium L.) PaPIP1;4 Is a Functional Aquaporin Upregulated by Pre-Harvest Calcium Treatments that Prevent Cracking. Int J Mol Sci 2020; 21:ijms21083017. [PMID: 32344729 PMCID: PMC7215675 DOI: 10.3390/ijms21083017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/09/2020] [Accepted: 04/21/2020] [Indexed: 11/17/2022] Open
Abstract
The involvement of aquaporins in rain-induced sweet cherry (Prunus avium L.) fruit cracking is an important research topic with potential agricultural applications. In the present study, we performed the functional characterization of PaPIP1;4, the most expressed aquaporin in sweet cherry fruit. Field experiments focused on the pre-harvest exogenous application to sweet cherry trees, cultivar Skeena, with a solution of 0.5% CaCl2, which is the most common treatment to prevent cracking. Results show that PaPIP1;4 was mostly expressed in the fruit peduncle, but its steady-state transcript levels were higher in fruits from CaCl2-treated plants than in controls. The transient expression of PaPIP1;4-GFP in tobacco epidermal cells and the overexpression of PaPIP1;4 in YSH1172 yeast mutation showed that PaPIP1;4 is a plasma membrane protein able to transport water and hydrogen peroxide. In this study, we characterized for the first time a plasma membrane sweet cherry aquaporin able to transport water and H2O2 that is upregulated by the pre-harvest exogenous application of CaCl2 supplements.
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25
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Schumann C, Knoche M. Swelling of cell walls in mature sweet cherry fruit: factors and mechanisms. PLANTA 2020; 251:65. [PMID: 32060652 DOI: 10.1007/s00425-020-03352-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 01/30/2020] [Indexed: 05/16/2023]
Abstract
Swelling of sweet cherry cell walls is a physical process counterbalanced by turgor. Cell turgor prevents swelling in intact cells, whereas loss of turgor allows cell walls to swell. Swelling of epidermal cell walls precedes skin failure in sweet cherry (Prunus avium) cracking. Swollen cell walls lead to diminished cell:cell adhesions. We identify the mechanism of cell wall swelling. Swelling was quantified microscopically on epidermal sections following freeze/thaw treatment or by determining swelling pressure or swelling capacity of cell wall extracts. Releasing turgor by a freeze/thaw treatment increased cell wall thickness 1.6-fold within 2 h. Pressurizing cell wall extracts at > 12 kPa prevented swelling in water, while releasing the pressure increased swelling. The effect was fully reversible. Across cultivars, cell wall thickness before and after turgor release in two subsequent seasons was significantly correlated (before release of turgor: r = 0.71**, n = 14; after release of turgor: r = 0.73**, n = 14) as was the swelling of cell walls upon turgor release (r = 0.71**, n = 14). Close relationships were also identified for cell wall thickness of fruit of the same cultivars grown in the greenhouse and the field (before release of turgor: r = 0.60, n = 10; after release of turgor: r = 0.78**, n = 10). Release of turgor by heating, plasmolysis, incubation in solvents or surfactants resulted in similar swelling (range 2.0-3.1 µm). Cell wall swelling increased from 1.4 to 3.0 µm as pH increased from pH 2.0 to 5.0 but remained nearly constant between pH 5.0 and 8.0. Increasing ethanol concentration decreased swelling. Swelling of sweet cherry cell walls is a physical process counterbalanced by turgor.
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Affiliation(s)
- Christine Schumann
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Moritz Knoche
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany.
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26
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Miranda S, Vilches P, Suazo M, Pavez L, García K, Méndez MA, González M, Meisel LA, Defilippi BG, Del Pozo T. Melatonin triggers metabolic and gene expression changes leading to improved quality traits of two sweet cherry cultivars during cold storage. Food Chem 2020; 319:126360. [PMID: 32151896 DOI: 10.1016/j.foodchem.2020.126360] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 01/09/2020] [Accepted: 02/04/2020] [Indexed: 12/24/2022]
Abstract
Sweet cherry is a valuable non-climacteric fruit with elevated phytonutrients, whose fruit quality attributes are prone to rapid deterioration after harvest, especially peel damage and water loss of stem. Here the metabolic and transcriptional response of exogenous melatonin was assessed in two commercial cultivars of sweet cherry (Santina and Royal Rainier) during cold storage. Gene expression profiling revealed that cuticle composition and water movement may underlie the effect of melatonin in delaying weight loss. An effect of melatonin on total soluble solids and lower respiration rate was observed in both cultivars. Melatonin induces overexpression of genes related to anthocyanin biosynthesis, which correlates with increased anthocyanin levels and changes in skin color (Chroma). Our results indicate that along with modulating antioxidant metabolism, melatonin improves fruit quality traits by triggering a range of metabolic and gene expression changes, which ultimately contribute to extend sweet cherry postharvest storability.
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Affiliation(s)
- Simón Miranda
- Centro Tecnológico de Recursos Vegetales, Escuela de Agronomía, Universidad Mayor, Camino La Pirámide 5750, Huechuraba, Santiago 8580745, Chile; Laboratorio de Genética Molecular Vegetal, INTA, Universidad de Chile, Av. El Líbano 5524, Macul, Santiago 7830490, Chile
| | - Paulina Vilches
- Centro Tecnológico de Recursos Vegetales, Escuela de Agronomía, Universidad Mayor, Camino La Pirámide 5750, Huechuraba, Santiago 8580745, Chile; Laboratorio de Genética Molecular Vegetal, INTA, Universidad de Chile, Av. El Líbano 5524, Macul, Santiago 7830490, Chile
| | - Miriam Suazo
- Facultad de Ciencias para el Cuidado de la Salud, Universidad San Sebastian, General Lagos 1163, Valdivia 5110693, Chile
| | - Leonardo Pavez
- Instituto de Ciencias Naturales, Universidad de las Américas, Av. Manuel Montt 948, Providencia, Santiago 7500972, Chile; Departamento de Ciencias Químicas y Biológicas, Universidad Bernardo O'Higgins, General Gana 1702, Santiago 8370854, Chile
| | - Katherine García
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Llano Subercaseaux 2801, San Miguel, Santiago 8910060, Chile
| | - Marco A Méndez
- Laboratorio de Genética y Evolución, Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa 7800003, Chile
| | - Mauricio González
- Laboratorio de Bioinformática y Expresión Génica, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Av. El Líbano 5524, Santiago 7830490, Chile; FONDAP Center for Genome Regulation, Av. Blanco Encalada 2085, Santiago 8370415, Chile
| | - Lee A Meisel
- Laboratorio de Genética Molecular Vegetal, INTA, Universidad de Chile, Av. El Líbano 5524, Macul, Santiago 7830490, Chile
| | - Bruno G Defilippi
- Unidad de Postcosecha, Instituto de Investigaciones Agropecuarias, INIA La Platina, Santa Rosa 11610, Santiago 8831314, Chile
| | - Talía Del Pozo
- Centro Tecnológico de Recursos Vegetales, Escuela de Agronomía, Universidad Mayor, Camino La Pirámide 5750, Huechuraba, Santiago 8580745, Chile.
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27
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Schumann C, Winkler A, Brüggenwirth M, Köpcke K, Knoche M. Crack initiation and propagation in sweet cherry skin: A simple chain reaction causes the crack to 'run'. PLoS One 2019; 14:e0219794. [PMID: 31365556 PMCID: PMC6668808 DOI: 10.1371/journal.pone.0219794] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 07/01/2019] [Indexed: 01/10/2023] Open
Abstract
Rain cracking severely affects the commercial production of many fleshy-fruit species, including of sweet cherries. The objectives were to investigate how the gaping macroscopic cracks (macrocracks) of a rain-cracked fruit can develop from microscopic cracks in the cuticle (microcracks). Incubating fruit in deionized water is well known to cause significant macrocracking. We found that after a lag phase of 2 h, the numbers and lengths of macrocracks increased. Macrocrack number approached an asymptote at 12 h, whereas macrocrack length continued to increase. The rate of macrocrack propagation (extension at the crack tip) was initially 10.8 mm h-1 but then decreased to a near-constant 0.5 mm h-1. Light microscopy revealed three characteristic zones along a developing macrocrack. In zone I (ahead of the crack), the cuticle was intact, the epidermal cells were unbroken and their cell walls were thin. In zone II, the cuticle was fractured, the first epidermal cells died and their cell walls began to thicken (swell). In zone III, most epidermal cells had died, their cell walls were swollen and cell:cell separation began along the middle lamellae. The thickness of the anticlinal epidermal cell walls and the percentage of intact living cells along a crack were closely and negatively related. Cracks were stained by calcofluor white, but there was no binding of monoclonal antibodies (mAbs) specific for hemicelluloses (LM11, LM21, LM25). Strong binding was obtained with the anti-homogalacturonan mAb (LM19), indicating the presence of unesterified homogalacturonans on the crack surface. We conclude that macrocrack propagation is related to cell death and to cell wall swelling. Cell wall swelling weakens the cell:cell adhesion between neighbouring epidermal cells, which separate along their middle lamellae. The skin macrocrack propagates like a 'run' in a fine, knitted fabric.
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Affiliation(s)
- Christine Schumann
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Hannover, Germany
| | - Andreas Winkler
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Hannover, Germany
| | - Martin Brüggenwirth
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Hannover, Germany
| | - Kevin Köpcke
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Hannover, Germany
| | - Moritz Knoche
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Hannover, Germany
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28
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Wu X, Shi X, Bai M, Chen Y, Li X, Qi K, Cao P, Li M, Yin H, Zhang S. Transcriptomic and Gas Chromatography-Mass Spectrometry Metabolomic Profiling Analysis of the Epidermis Provides Insights into Cuticular Wax Regulation in Developing 'Yuluxiang' Pear Fruit. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:8319-8331. [PMID: 31287308 DOI: 10.1021/acs.jafc.9b01899] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The layer of cuticular wax covering fruits plays important roles in protecting against disease, preventing non-stomatal water loss, and extending shelf life. However, the molecular basis of cuticular wax biosynthesis in pear (Pyrus) fruits remains elusive. Our study thoroughly investigates cuticular wax biosynthesis during pear fruit development from morphologic, transcriptomic, and gas chromatography-mass spectrometry metabolomic perspectives. Our results showed that cuticular wax concentrations increased during the early stage [20-80 days after full bloom (DAFB)] from 0.64 mg/cm2 (50 DAFB) to 1.75 mg/cm2 (80 DAFB) and then slightly decreased to 1.22 mg/cm2 during the fruit ripening period (80-140 DAFB). Scanning electron microscopy imaging indicated that wax plate crystals increased and wax structures varied during the pear fruit development. The combined transcriptomic and metabolomic profiling analysis revealed 27 genes, including 12 genes encoding transcription factors and a new structural gene (Pbr028523) encoding β-amyrin synthase, participating in the biosynthesis, transport, and regulation of cuticular wax according to their expression patterns in pear fruit. The quantitative real-time polymerase chain reaction experiments of 18 differentially expressed genes were performed and confirmed the accuracy of the RNA-Seq-derived transcript expression. A model of VLCFAs and cuticular wax synthesis and transport in pear fruit is proposed, providing a mechanistic framework for understanding cuticular wax biosynthesis in pear fruit. These results and data sets provide a foundation for the molecular events related to cuticular wax in 'Yuluxiang' pear fruit and may also help guide the functional analyses of candidate genes important for improving the cuticular wax of pear fruit in the future.
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Affiliation(s)
- Xiao Wu
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement , Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Xinjie Shi
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement , Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Mudan Bai
- Pomology Research Institute , Shanxi Academy of Agricultural Sciences , Jinzhong , Shanxi 030815 , People's Republic of China
| | - Yangyang Chen
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement , Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Xiaolong Li
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement , Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Kaijie Qi
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement , Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Peng Cao
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement , Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Mingzhi Li
- Genepioneer Biotechnologies Company, Limited , Nanjing , Jiangsu 210014 , People's Republic of China
| | - Hao Yin
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement , Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
| | - Shaoling Zhang
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement , Nanjing Agricultural University , Nanjing , Jiangsu 210095 , People's Republic of China
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29
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Trivedi P, Nguyen N, Hykkerud AL, Häggman H, Martinussen I, Jaakola L, Karppinen K. Developmental and Environmental Regulation of Cuticular Wax Biosynthesis in Fleshy Fruits. FRONTIERS IN PLANT SCIENCE 2019; 10:431. [PMID: 31110509 PMCID: PMC6499192 DOI: 10.3389/fpls.2019.00431] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 03/21/2019] [Indexed: 05/18/2023]
Abstract
The aerial parts of land plants are covered by a hydrophobic layer called cuticle that limits non-stomatal water loss and provides protection against external biotic and abiotic stresses. The cuticle is composed of polymer cutin and wax comprising a mixture of very-long-chain fatty acids and their derivatives, while also bioactive secondary metabolites such as triterpenoids are present. Fleshy fruits are also covered by the cuticle, which has an important protective role during the fruit development and ripening. Research related to the biosynthesis and composition of cuticles on vegetative plant parts has largely promoted the research on cuticular waxes in fruits. The chemical composition of the cuticular wax varies greatly between fruit species and is modified by developmental and environmental cues affecting the protective properties of the wax. This review focuses on the current knowledge of the cuticular wax biosynthesis during fleshy fruits development, and on the effect of environmental factors in regulation of the biosynthesis. Bioactive properties of fruit cuticular waxes are also briefly discussed, as well as the potential for recycling of industrial fruit residues as a valuable raw material for natural wax to be used in food, cosmetics and medicine.
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Affiliation(s)
- Priyanka Trivedi
- Department of Ecology and Genetics, University of Oulu, Oulu, Finland
| | - Nga Nguyen
- Department of Ecology and Genetics, University of Oulu, Oulu, Finland
| | | | - Hely Häggman
- Department of Ecology and Genetics, University of Oulu, Oulu, Finland
| | | | - Laura Jaakola
- Norwegian Institute of Bioeconomy Research, Ås, Norway
- Climate Laboratory Holt, Department of Arctic and Marine Biology, UiT the Arctic University of Norway, Tromsø, Norway
| | - Katja Karppinen
- Department of Ecology and Genetics, University of Oulu, Oulu, Finland
- Climate Laboratory Holt, Department of Arctic and Marine Biology, UiT the Arctic University of Norway, Tromsø, Norway
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30
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Sharma S, Sarika Bharti A, Singh R, Uttam KN. Non-destructive Phenotyping of Chili Pepper Ripening Using Spectroscopic Probes: A Potential Approach for Shelf-Life Measurement. ANAL LETT 2019. [DOI: 10.1080/00032719.2018.1558231] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Sweta Sharma
- Department of Botany, University of Allahabad, Allahabad, India
| | - Abhi Sarika Bharti
- Centre for Environmental Science, Department of Botany, University of Allahabad, Allahabad, India
| | - Renu Singh
- Department of Physics, Saha’s Spectroscopy Laboratory, University of Allahabad, Allahabad, India
| | - K. N. Uttam
- Department of Physics, Saha’s Spectroscopy Laboratory, University of Allahabad, Allahabad, India
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31
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Liu Z, Lv J, Zhang Z, Li H, Yang B, Chen W, Dai X, Li X, Yang S, Liu L, Ou L, Ma Y, Zou X. Integrative Transcriptome and Proteome Analysis Identifies Major Metabolic Pathways Involved in Pepper Fruit Development. J Proteome Res 2019; 18:982-994. [DOI: 10.1021/acs.jproteome.8b00673] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Zhoubin Liu
- Longping Branch, Graduate School of Hunan University, Changsha 410125, China
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Junheng Lv
- Longping Branch, Graduate School of Hunan University, Changsha 410125, China
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Zhuqing Zhang
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Heng Li
- Shanghai Applied Protein Technology Co. Ltd, Shanghai 200233, P.R. China
| | - Bozhi Yang
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Wenchao Chen
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Xiongze Dai
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Xuefeng Li
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Sha Yang
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Li Liu
- Shanghai Applied Protein Technology Co. Ltd, Shanghai 200233, P.R. China
| | - Lijun Ou
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Yanqing Ma
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Xuexiao Zou
- Longping Branch, Graduate School of Hunan University, Changsha 410125, China
- Vegetable Institution of Hunan Academy of Agricultural Science, Changsha 410125, China
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32
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Joshi M, Baghel RS, Fogelman E, Stern RA, Ginzberg I. Identification of candidate genes mediating apple fruit-cracking resistance following the application of gibberellic acids 4 + 7 and the cytokinin 6-benzyladenine. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2018; 127:436-445. [PMID: 29684828 DOI: 10.1016/j.plaphy.2018.04.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 04/12/2018] [Accepted: 04/13/2018] [Indexed: 05/09/2023]
Abstract
Calyx-end cracking in 'Pink Lady' apple is treated by a solution of gibberellic acids 4 and 7 (GA4+7) and the cytokinin 6-benzyladenine (BA). Although the GA4+7 and BA mixture is applied early in apple fruit development, it mitigates cracking that becomes evident in the mature fruit, implying a long-term treatment effect. The reduced incidence of peel cracking is associated with increased epidermal cell density, which is maintained until fruit maturation. Presently, the expression of genes that have been previously reported to be associated with epidermal cell patterning and cuticle formation, or cracking resistance, was monitored in the peel during fruit development and following GA4+7 and BA treatment. For most of the genes whose expression is naturally upregulated during fruit development, the early GA4+7 and BA treatment maintained or further increased the high expression level in the mature peel. Where the expression of a gene was downregulated during development, no change was detected in the treated mature peel. Gene-networking analysis supported the interaction between gene clusters of cell-wall synthesis, cuticle formation and GA signaling. Overall, the data suggested that the GA4+7 and BA treatment did not modify developmental cues, but promoted or enhanced the innate developmental program.
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Affiliation(s)
- Mukul Joshi
- Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel
| | - Ravi Singh Baghel
- Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel
| | - Edna Fogelman
- Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel
| | - Raphael A Stern
- MIGAL, Galilee Technology Center, P.O. Box 831, Kiryat Shmona 11016, Israel; Department of Biotechnology, Faculty of Life Sciences, Tel-Hai College, Upper Galilee 1220800, Israel
| | - Idit Ginzberg
- Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, 68 HaMaccabim Road, P.O. Box 15159, Rishon LeZion 7505101, Israel.
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Transcriptome Analysis of Mango (Mangifera indica L.) Fruit Epidermal Peel to Identify Putative Cuticle-Associated Genes. Sci Rep 2017; 7:46163. [PMID: 28425468 PMCID: PMC5397871 DOI: 10.1038/srep46163] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 03/09/2017] [Indexed: 11/10/2022] Open
Abstract
Mango fruit (Mangifera indica L.) are highly perishable and have a limited shelf life, due to postharvest desiccation and senescence, which limits their global distribution. Recent studies of tomato fruit suggest that these traits are influenced by the expression of genes that are associated with cuticle metabolism. However, studies of these phenomena in mango fruit are limited by the lack of genome-scale data. In order to gain insight into the mango cuticle biogenesis and identify putative cuticle-associated genes, we analyzed the transcriptomes of peels from ripe and overripe mango fruit using RNA-Seq. Approximately 400 million reads were generated and de novo assembled into 107,744 unigenes, with a mean length of 1,717 bp and with this information an online Mango RNA-Seq Database (http://bioinfo.bti.cornell.edu/cgi-bin/mango/index.cgi) which is a valuable genomic resource for molecular research into the biology of mango fruit was created. RNA-Seq analysis suggested that the pathway leading to biosynthesis of the cuticle component, cutin, is up-regulated during overripening. This data was supported by analysis of the expression of several putative cuticle-associated genes and by gravimetric and microscopic studies of cuticle deposition, revealing a complex continuous pattern of cuticle deposition during fruit development and involving substantial accumulation during ripening/overripening.
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Gibeaut DM, Whiting MD, Einhorn T. Time indices of multiphasic development in genotypes of sweet cherry are similar from dormancy to cessation of pit growth. ANNALS OF BOTANY 2017; 119:465-475. [PMID: 28064193 PMCID: PMC5314649 DOI: 10.1093/aob/mcw232] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 08/26/2016] [Indexed: 05/26/2023]
Abstract
BACKGROUND AND AIMS The archetypical double sigmoid-shaped growth curve of the sweet cherry drupe (Prunus avium) does not address critical development from eco-dormancy to anthesis and has not been correlated to reproductive bud development. Accurate representation of the growth and development of post-anthesis ovaries is confounded by anthesis timing, fruiting-density and the presence of unfertilized and defective ovaries whose growth differs from those that persist to maturation. These factors were addressed to assess pre-anthesis and full-season growth and development of three sweet cherry cultivars, 'Chelan', 'Bing' and 'Sweetheart', differing primarily in seasonal duration and fruit size. METHODS Volume was calculated from photographic measurements of reproductive buds, ovaries and pits at all phases of development. A population of unfertilized ovaries was produced using bee-exclusion netting to enable a statistical comparison with an open pollinated population to detect differences in size and shape between successful and failing fruit growth. Anthesis timing and fruiting-density were manipulated by floral extinction at the spur and whole-tree scales. Developmental time indices were analysed using polynomial curve fitting of log-transformed data supported by Richards and logistic functions of asymptotic growth of the pit and maturing fruit, respectively. KEY RESULTS Pre-anthesis growth began at the completion of eco-dormancy. A slight decline in relative growth rate (RGR) was observed during bud scale separation approx. -16 d from anthesis (DFA) before resumption of exponential growth to a maximum about 14 DFA. After anthesis, reduced growth of unfertilized or defective ovaries was partly discriminated from successful fruit at 5 DFA and completely at 25 DFA. Time indices of RGR inflections were similar among cultivars when adjusted for anthesis date alone, until the end of pit growth. Asymptotic growth of the pit underpinned the declining growth rate of fruit at the end of the first exponential growth phase. Duration of the subsequent expansive growth phase accounted for genotypic differences in seasonal duration and final size. Pit size and final fruit size were inversely related to fruiting-density. CONCLUSIONS Developmental differences among early, mid and late maturing cultivars were not detected until the final growth period.
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Affiliation(s)
- David M Gibeaut
- Department of Horticulture, Oregon State University, Mid-Columbia Agricultural Research and Extension Center, 3005 Experiment Station Drive, OR 97031, USA
| | - Matthew D Whiting
- Department of Horticulture, Washington State University, Irrigated Agriculture Research and Extension Center, 24106 N. Bunn Road, Prosser, WA 99350, USA
| | - Todd Einhorn
- Department of Horticulture, Oregon State University, Mid-Columbia Agricultural Research and Extension Center, 3005 Experiment Station Drive, OR 97031, USA
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Correia S, Schouten R, Silva AP, Gonçalves B. Factors Affecting Quality and Health Promoting Compounds during Growth and Postharvest Life of Sweet Cherry ( Prunus avium L.). FRONTIERS IN PLANT SCIENCE 2017; 8:2166. [PMID: 29312407 PMCID: PMC5742238 DOI: 10.3389/fpls.2017.02166] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 12/08/2017] [Indexed: 05/13/2023]
Abstract
Sweet cherries are attractive fruits due to their taste, color, nutritional value, and beneficial health effects. Sweet cherry is a highly perishable fruit and all quality attributes and the level of health promoting compounds are affected by growth conditions, picking, packing, transport, and storage. During production, the correct combination of scion × rootstock will produce fruits with higher firmness, weight, sugars, vitamins, and phenolic compounds that boost the fruit antioxidant activity. Orchard management, such as applying drip irrigation and summer pruning, will increase fruit sugar levels and total phenolic content, while application of growth regulators can result in improved storability, increased red coloring, increased fruit size, and reduced cracking. Salicylic acid, oxalic acid, acetylsalicylic acid, and methyl salicylate are promising growth regulators as they also increase total phenolics, anthocyanins, and induce higher activity of antioxidant enzymes. These growth regulators are now also applied as fruit coatings that improve shelf-life with higher antioxidant enzyme activities and total phenolics. Optimizing storage and transport conditions, such as hydro cooling with added CaCl2, chain temperature and relative humidity control, are crucial for slowing down decay of quality attributes and increasing the antioxidant capacity. Application of controlled atmosphere during storage is successful in delaying quality attributes, but lowers ascorbic acid levels. The combination of low temperature storage in combination with modified atmosphere packaging (MAP) is successful in reducing the incidence of fruit decay, while preserving taste attributes and stem color with a higher antioxidant capacity. A new trend in MAP is the use of biodegradable films such as micro-perforated polylactic acid film that combine significant retention of quality attributes, high consumer acceptability, and a reduced environmental footprint. Another trend is to replace MAP with fruit edible coatings. Edible coatings, such as various lipid composite coatings, have advantages in retaining quality attributes and increasing the antioxidant activity (chitosan) and are regarded as approved food additives, although studies regarding consumer acceptance are needed. The recent publication of the sweet cherry genome will likely increase the identification of more candidate genes involved in growing and maintaining health related compounds and quality attributes.
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Affiliation(s)
- Sofia Correia
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- *Correspondence: Sofia Correia
| | - Rob Schouten
- Horticulture and Product Physiology, Wageningen University, Wageningen, Netherlands
| | - Ana P. Silva
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - Berta Gonçalves
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
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Lai X, Khanal BP, Knoche M. Mismatch between cuticle deposition and area expansion in fruit skins allows potentially catastrophic buildup of elastic strain. PLANTA 2016; 244:1145-1156. [PMID: 27469168 DOI: 10.1007/s00425-016-2572-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 07/15/2016] [Indexed: 05/28/2023]
Abstract
The continuous deposition of cutin and wax during leaf and fruit growth is crucial to alleviate elastic strain of the cuticle, minimize the risk of failure and maintain its barrier functions. The cuticular membrane (CM) is a lipoidal biopolymer that covers primary surfaces of terrestrial plants. CMs have barrier functions in water and solute transfer and pathogen invasion. These require intact CMs throughout growth. This is a challenge particularly for fruit, because they increase in area from initiation through to maturity. Our paper investigates the effects of cutin and wax deposition on strain buildup in the CM. We use developing fruits and leaves of apple (Malus × domestica) and sweet cherry (Prunus avium) as models. The hypothesis was that the continuous deposition of the CM prevents the buildup of excessive elastic strain in fruit and leaves. Strains were quantified from decreases in surface area of CMs after isolation from epidermal discs, after wax extraction and from increases in surface area during development. Cuticle mass per unit area increased throughout development in apple fruit, and leaves of apple and sweet cherry. In sweet cherry fruit, however, CM mass increased only initially, but thereafter decreased as the surface expanded rapidly. The release of strain on CM isolation was low in apple fruit and leaves and sweet cherry leaves, but high in sweet cherry fruit. Conversely, strains fixed by the deposition of wax and cutin were high in apple fruit and leaves and sweet cherry leaves, but low in sweet cherry fruit. Our results indicate that in expanding organs, deposition of cutin and wax in the CM allows conversion of elastic to plastic strain. Hence, any lack of such deposition allows buildup of high, potentially catastrophic, elastic strain.
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Affiliation(s)
- Xiaoting Lai
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Bishnu Prasad Khanal
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany
| | - Moritz Knoche
- Institute for Horticultural Production Systems, Leibniz-University Hannover, Herrenhäuser Straße 2, 30419, Hannover, Germany.
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Wang J, Sun L, Xie L, He Y, Luo T, Sheng L, Luo Y, Zeng Y, Xu J, Deng X, Cheng Y. Regulation of cuticle formation during fruit development and ripening in 'Newhall' navel orange (Citrus sinensis Osbeck) revealed by transcriptomic and metabolomic profiling. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2016; 243:131-44. [PMID: 26795158 DOI: 10.1016/j.plantsci.2015.12.010] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2015] [Revised: 12/19/2015] [Accepted: 12/21/2015] [Indexed: 05/18/2023]
Abstract
Fruit cuticle, which is composed of cutin and wax and biosynthesized during fruit development, plays important roles in the prevention of water loss and the resistance to pathogen infection during fruit development and postharvest storage. However, the key factors and mechanisms regarding the cuticle biosynthesis in citrus fruits are still unclear. Here, fruit cuticle of 'Newhall' navel orange (Citrus sinensis Osbeck) was studied from the stage of fruit expansion to postharvest storage from the perspectives of morphology, transcription and metabolism. The results demonstrated that cutin accumulation is synchronous with fruit expansion, while wax synthesis is synchronous with fruit maturation. Metabolic profile of fruits peel revealed that transition of metabolism of fruit peel occurred from 120 to 150 DAF and ABA was predicted to regulate citrus wax synthesis during the development of Newhall fruits. RNA-seq analysis of the peel from the above two stages manifested that the genes involved in photosynthesis were repressed, while the genes involved in the biosynthesis of wax, cutin and lignin were significantly induced at later stages. Further real-time PCR predicted that MYB transcription factor GL1-like regulates citrus fruits wax synthesis. These results are valuable for improving the fruit quality during development and storage.
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Affiliation(s)
- Jinqiu Wang
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Li Sun
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Li Xie
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Yizhong He
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Tao Luo
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Ling Sheng
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Yi Luo
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Yunliu Zeng
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Juan Xu
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Xiuxin Deng
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
| | - Yunjiang Cheng
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), Key Laboratory of Horticultural Crop Biology and Genetic Improvement (Central Region), MOA, College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
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38
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Lara I, Belge B, Goulao LF. A focus on the biosynthesis and composition of cuticle in fruits. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:4005-19. [PMID: 25850334 DOI: 10.1021/acs.jafc.5b00013] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Cuticles are plant structures, composed mostly by lipidic layers, synthesized by nonwoody aerial plant organs and deposited on the surface of outer epidermal cell walls. Although its significance has been often disregarded, cuticle deposition modifies organ chemistry, influences mechanical properties, and plays a central role in sensing and interacting with the surrounding environment. Even though some research has been undertaken addressing cuticle biosynthesis and composition in vegetative plant tissues, comparatively less information is available regarding cuticle composition in the epidermis of fruits. However, recent work points to a role for cuticles in the modulation of fruit quality and postharvest performance, indicating that current models for the investigation of fruit development, metabolism, and quality need to integrate a comprehensive knowledge of the cuticle layer. This paper provides an overview of recent findings and observations regarding cuticle biosynthesis and composition in fruits from species of agronomic and economic relevance. Important, but often neglected differences in cuticle composition and biosynthesis patterns among diverse fruit species are described herein to generate an atlas of what is currently known about fruit cuticles and to highlight what remains to be explored. Emphasis is placed on the need to investigate each genetic background considering its own specificities, to permit correlations with the particular physiology of each species considered. Both specific composition and changes during maturation and ripening are reviewed.
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Affiliation(s)
- Isabel Lara
- †Departament de Quı́mica, Unitat de Postcollita-XaRTA, Universitat de Lleida, Rovira Roure 191, 25198 Lleida, Spain
| | - Burcu Belge
- †Departament de Quı́mica, Unitat de Postcollita-XaRTA, Universitat de Lleida, Rovira Roure 191, 25198 Lleida, Spain
| | - Luis F Goulao
- §Agri4Safe/BioTrop, Instituto de Investigação Cientı́fica Tropical (IICT), Polo Mendes Ferrão - Pavilhão de Agro-Indústrias e Agronomia Tropical, Tapada da Ajuda, 1349-017 Lisboa, Portugal
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39
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Basanta MF, Ponce NMA, Salum ML, Raffo MD, Vicente AR, Erra-Balsells R, Stortz CA. Compositional changes in cell wall polysaccharides from five sweet cherry (Prunus avium L.) cultivars during on-tree ripening. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:12418-12427. [PMID: 25434844 DOI: 10.1021/jf504357u] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Excessive softening is a major cause of postharvest deterioration during transportation and storage of fresh cherries. In continuing our studies to identify the factors determining the textural differences between sweet cherry fruit genotypes, we evaluated the solubilization, depolymerization, and monosaccharide composition of pectin and hemicelluloses from five sweet cherry cultivars ('Chelan', 'Sumele', 'Brooks', 'Sunburst', and 'Regina') with contrasting firmness and cracking susceptibility at two developmental stages (immature and ripe). In contrast to what is usually shown in most fruits, cherry softening could occur is some cultivars without marked increases in water-soluble pectin. Although polyuronide and hemicellulose depolymerization was observed in the water-soluble and dilute-alkali-soluble fractions, only moderate association occurs between initial polymer size and cultivar firmness. In all the genotypes the Na2CO3-soluble polysaccharides (NSF) represented the most abundant and dynamic wall fraction during ripening. Firm cultivars showed upon ripening a lower neutral sugars/uronic acid ratio in the NSF, suggesting that they have a lower proportion of highly branched polyuronides. The similar molar ratios of arabinose plus galactose to rhamnose [(Ara+Gal)/Rha] suggest that the cultivars differed in their relative proportion of homogalacturonan (HG) and rhamnogalacturonan I (RG-I) rather than in the size of the RG side chains; with greater proportions of HG in firmer cherries. Ultraviolet matrix-assisted laser desorption/ionization time-of-flight mass spectrometry was useful to identify the depolymerization patterns of weakly bound pectins, but gave less accurate results on ionically bound pectins, and was unable to find any pattern on covalently bound pectins.
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Affiliation(s)
- María F Basanta
- Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria , Pabellón de Industrias, 1428 Buenos Aires, Argentina
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40
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Belge B, Llovera M, Comabella E, Gatius F, Guillén P, Graell J, Lara I. Characterization of cuticle composition after cold storage of "Celeste" and "Somerset" sweet cherry fruit. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:8722-9. [PMID: 25089645 DOI: 10.1021/jf502650t] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Cuticle composition and structure may be relevant factors affecting the storage potential of fruits, but very few studies have analyzed fruit cuticle composition from a postharvest perspective. In this work, the chemical composition of waxes and cutin (major cuticular components) was analyzed in cuticle samples isolated from "Celeste" and "Somerset" cherries (Prunus avium L.) after cold storage at 0 °C. Total cuticle amounts per surface unit (μg cm(-2)) increased along with cold storage. The triterpene ursolic acid, the alkane nonacosane, linoleic acid, and β-sitosterol were the most abundant components of cuticular waxes, whereas cutin composition was dominated by C18-type monomers. In spite of being comprised of similar chemical families, cultivar-related differences were found regarding the abundance and the evolution of some compound families during cold storage. To the best of our knowledge, this is the first report on changes in cuticle composition of sweet cherry during postharvest storage.
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Affiliation(s)
- Burcu Belge
- Departament de Química, ‡Unitat de Postcollita-XaRTA, §Serveis Científico-Tècnics, ∥Departament de Tecnologia d'Aliments, Universitat de Lleida , Alcalde Rovira Roure 191, 25198 Lleida, Spain
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41
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Martin LBB, Rose JKC. There's more than one way to skin a fruit: formation and functions of fruit cuticles. JOURNAL OF EXPERIMENTAL BOTANY 2014; 65:4639-51. [PMID: 25028557 DOI: 10.1093/jxb/eru301] [Citation(s) in RCA: 129] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
As with all aerial plant organs, fleshy fruits are encased in a hydrophobic cuticle that must fulfil multiple functions, including limiting desiccation and preventing microbial infection, which in the case of fruits maintains palatability and promotes seed dispersal. Fruit cuticles have many features in common with those of vegetative organs, but also have unique characteristics, including the fact that they are often astomatous, thicker than those of most leaves, and can be relatively easily isolated. These attributes provide a valuable experimental system to address questions related to cuticle structure, function, and the relationships between composition, architecture, permeability, and biomechanical properties. Here we provide an overview of insights into cuticle biology that have resulted from studies of those of fleshy fruits, as well as the diversity and dynamic nature of fruit cuticle composition and architecture, the environmental factors that influence those features, and the roles that they play in fruit ontogeny.
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Affiliation(s)
| | - Jocelyn K C Rose
- Department of Plant Biology, Cornell University, Ithaca, NY 14853, USA
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42
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Alkio M, Jonas U, Declercq M, Van Nocker S, Knoche M. Transcriptional dynamics of the developing sweet cherry (Prunus avium L.) fruit: sequencing, annotation and expression profiling of exocarp-associated genes. HORTICULTURE RESEARCH 2014; 1:11. [PMID: 26504533 PMCID: PMC4591669 DOI: 10.1038/hortres.2014.11] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 01/17/2014] [Indexed: 05/24/2023]
Abstract
The exocarp, or skin, of fleshy fruit is a specialized tissue that protects the fruit, attracts seed dispersing fruit eaters, and has large economical relevance for fruit quality. Development of the exocarp involves regulated activities of many genes. This research analyzed global gene expression in the exocarp of developing sweet cherry (Prunus avium L., 'Regina'), a fruit crop species with little public genomic resources. A catalog of transcript models (contigs) representing expressed genes was constructed from de novo assembled short complementary DNA (cDNA) sequences generated from developing fruit between flowering and maturity at 14 time points. Expression levels in each sample were estimated for 34 695 contigs from numbers of reads mapping to each contig. Contigs were annotated functionally based on BLAST, gene ontology and InterProScan analyses. Coregulated genes were detected using partitional clustering of expression patterns. The results are discussed with emphasis on genes putatively involved in cuticle deposition, cell wall metabolism and sugar transport. The high temporal resolution of the expression patterns presented here reveals finely tuned developmental specialization of individual members of gene families. Moreover, the de novo assembled sweet cherry fruit transcriptome with 7760 full-length protein coding sequences and over 20 000 other, annotated cDNA sequences together with their developmental expression patterns is expected to accelerate molecular research on this important tree fruit crop.
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Affiliation(s)
- Merianne Alkio
- Institute of Horticultural Production Systems, Leibniz Universität Hannover, D-30419 Hannover, Germany
| | - Uwe Jonas
- Institute of Horticultural Production Systems, Leibniz Universität Hannover, D-30419 Hannover, Germany
| | - Myriam Declercq
- Institute of Horticultural Production Systems, Leibniz Universität Hannover, D-30419 Hannover, Germany
| | - Steven Van Nocker
- Department of Horticulture, Michigan State University, East Lansing, MI 48824-1325, USA
| | - Moritz Knoche
- Institute of Horticultural Production Systems, Leibniz Universität Hannover, D-30419 Hannover, Germany
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