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Li S, Li Q, Cao J, Qu G, Jiang W. Comparative transcriptomic analysis provides novel insights into the difference in textural alteration between mealy and crisp apple patterns. Food Res Int 2023; 169:112941. [PMID: 37254365 DOI: 10.1016/j.foodres.2023.112941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/28/2023] [Accepted: 05/02/2023] [Indexed: 06/01/2023]
Abstract
Mealiness is a common textural deterioration of several fruit after harvest. To unravel the underlying mechanism involved in mealiness, biochemical characterization and global transcriptomic profiling were comparatively performed between mealy 'Hongjiangjun' (HJJ) and crisp 'Fuji' apples. Sensory evaluation and SEM-based microstructure observation showed that HJJ apples appeared to be mealy in only 3 d at 23 ± 1 °C, while Fuji apples did not appear to be mealy even after 28 d of storage. Textural deterioration and ethylene burst occurred more sharply in HJJ apples than in Fuji apples during storage. The results obtained from the dimensional RNA-sequencing analysis showed that a much stronger upregulation of the transcription of genes encoding polygalacturonase (PG), pectin acetylesterase (PAE), pectinesterase (PE), β-galactosidase (GAL), α-l-arabinofuranase (AF), and expansin (EXP) was observed in the pair of mealy HJJ apples vs. harvest than in the pair of Fuji apples after 28 d vs. harvest. The gene expression of ethylene responsive factor (ERF) was found to be strongly upregulated in HJJ apples compared with Fuji apples, which may mediate the regulation of downstream genes encoding cell wall-modifying enzymes. Weighted gene co-expression network analysis showed that the transcription factors MdbHLH63 and MdERF-like, and a constructure gene of MdGAL had strong connectivity with mealiness. Validation by qRT-PCR further confirmed the main findings obtained by RNA-sequencing. The occurrence of apple mealiness involves altered expression patterns of cell wall-modifying enzymes as well as MdbHLH63 and MdERF-like, which are core genes regulating the mealiness process. The above findings provide global insight into the difference in textural alteration between mealy and crisp apple patterns.
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Affiliation(s)
- Shihao Li
- College of Food Science and Nutritional Engineering, China Agricultural University, 17, Qinghuadonglu Road, Beijing 100083, PR China
| | - Qianqian Li
- College of Food Science and Nutritional Engineering, China Agricultural University, 17, Qinghuadonglu Road, Beijing 100083, PR China; Institute of Quality Standard and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, PR China
| | - Jiankang Cao
- College of Food Science and Nutritional Engineering, China Agricultural University, 17, Qinghuadonglu Road, Beijing 100083, PR China.
| | - Guiqin Qu
- College of Food Science and Nutritional Engineering, China Agricultural University, 17, Qinghuadonglu Road, Beijing 100083, PR China
| | - Weibo Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, 17, Qinghuadonglu Road, Beijing 100083, PR China
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Olmedo P, Zepeda B, Delgado-Rioseco J, Leiva C, Moreno AA, Sagredo K, Blanco-Herrera F, Pedreschi R, Infante R, Meneses C, Campos-Vargas R. Metabolite Profiling Reveals the Effect of Cold Storage on Primary Metabolism in Nectarine Varieties with Contrasting Mealiness. PLANTS (BASEL, SWITZERLAND) 2023; 12:766. [PMID: 36840114 PMCID: PMC9965640 DOI: 10.3390/plants12040766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/24/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
Chilling injury is a physiological disorder caused by cold storage in peaches and nectarines. The main symptom of chilling injury is mealiness/wooliness, described as a lack of juice in fruit flesh. In this work, we studied two nectarine varieties (Andes Nec-2 and Andes Nec-3) with contrasting susceptibility to mealiness after cold storage. A non-targeted metabolomic analysis was conducted by GC-MS to understand if changes in metabolite abundance are associated with nectarine mealiness induced by cold storage. Multivariate analyses indicated that in unripe nectarines, cold storage promoted a higher accumulation of amino acids in both varieties. Interestingly, for ripe nectarines, cold storage induced an accumulation of fewer amino acids in both varieties and showed an increased abundance of sugars and organic acids. A pathway reconstruction of primary metabolism revealed that in ripe nectarines, cold storage disrupted metabolite abundance in sugar metabolism and the TCA cycle, leading to a differential accumulation of amino acids, organic acids, and sugars in mealy and juicy nectarines.
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Affiliation(s)
- Patricio Olmedo
- Centro de Estudios Postcosecha, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago 8831314, Chile
| | - Baltasar Zepeda
- Horticulture and Product Physiology, Department of Plant Sciences, Wageningen University, P.O. Box 16, 6700 AA Wageningen, The Netherlands
| | - Joaquín Delgado-Rioseco
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8370186, Chile
| | - Carol Leiva
- Centro de Estudios Postcosecha, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago 8831314, Chile
| | - Adrián A. Moreno
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8370186, Chile
| | - Karen Sagredo
- Departamento de Producción Agrícola, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago 8831314, Chile
| | - Francisca Blanco-Herrera
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8370186, Chile
- ANID—Millennium Science Initiative Program—Millennium Nucleus for the Development of Super Adaptable Plants (MN-SAP), Santiago 8370186, Chile
| | - Romina Pedreschi
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Quillota 2260000, Chile
- Millennium Institute Center for Genome Regulation (CRG), Santiago 7800003, Chile
| | - Rodrigo Infante
- Departamento de Producción Agrícola, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago 8831314, Chile
| | - Claudio Meneses
- ANID—Millennium Science Initiative Program—Millennium Nucleus for the Development of Super Adaptable Plants (MN-SAP), Santiago 8370186, Chile
- Millennium Institute Center for Genome Regulation (CRG), Santiago 7800003, Chile
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
- Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
| | - Reinaldo Campos-Vargas
- Centro de Estudios Postcosecha, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago 8831314, Chile
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Lillo-Carmona V, Espinoza A, Rothkegel K, Rubilar M, Nilo-Poyanco R, Pedreschi R, Campos-Vargas R, Meneses C. Identification of Metabolite and Lipid Profiles in a Segregating Peach Population Associated with Mealiness in Prunus persica (L.) Batsch. Metabolites 2020; 10:metabo10040154. [PMID: 32316167 PMCID: PMC7240955 DOI: 10.3390/metabo10040154] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/02/2020] [Accepted: 04/14/2020] [Indexed: 12/13/2022] Open
Abstract
The peach is the third most important temperate fruit crop considering fruit production and harvested area in the world. Exporting peaches represents a challenge due to the long-distance nature of export markets. This requires fruit to be placed in cold storage for a long time, which can induce a physiological disorder known as chilling injury (CI). The main symptom of CI is mealiness, which is perceived as non-juicy fruit by consumers. The purpose of this work was to identify and compare the metabolite and lipid profiles between two siblings from contrasting populations for juice content, at harvest and after 30 days at 0 °C. A total of 119 metabolites and 189 lipids were identified, which showed significant differences in abundance, mainly in amino acids, sugars and lipids. Metabolites displaying significant changes from the E1 to E3 stages corresponded to lipids such as phosphatidylglycerol (PG), monogalactosyldiacylglycerol (MGDG) and lysophosphatidylcholines (LPC), and sugars such as fructose 1 and 1-fructose-6 phosphate. These metabolites might be used as early stage biomarkers associated with mealiness at harvest and after cold storage.
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Affiliation(s)
- Victoria Lillo-Carmona
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Avenida República 330, Santiago 8370186, Chile; (V.L.-C.); (A.E.); (K.R.); (M.R.); (R.C.-V.)
| | - Alonso Espinoza
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Avenida República 330, Santiago 8370186, Chile; (V.L.-C.); (A.E.); (K.R.); (M.R.); (R.C.-V.)
| | - Karin Rothkegel
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Avenida República 330, Santiago 8370186, Chile; (V.L.-C.); (A.E.); (K.R.); (M.R.); (R.C.-V.)
| | - Miguel Rubilar
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Avenida República 330, Santiago 8370186, Chile; (V.L.-C.); (A.E.); (K.R.); (M.R.); (R.C.-V.)
| | - Ricardo Nilo-Poyanco
- Escuela de Biotecnología, Facultad de Ciencias, Universidad Mayor, Camino La Pirámide 5750, Huechuraba, Santiago 8580745, Chile;
| | - Romina Pedreschi
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Calle San Francisco s/n, La Palma, Quillota 2260000, Chile;
| | - Reinaldo Campos-Vargas
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Avenida República 330, Santiago 8370186, Chile; (V.L.-C.); (A.E.); (K.R.); (M.R.); (R.C.-V.)
| | - Claudio Meneses
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Avenida República 330, Santiago 8370186, Chile; (V.L.-C.); (A.E.); (K.R.); (M.R.); (R.C.-V.)
- FONDAP Center for Genome Regulation, Universidad Andrés Bello, Blanco Encalada 2085, Santiago 87370415, Chile
- Correspondence:
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