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Sommer S, Salie M, Garcia E, Reyes A, Ebersole SC, Naegele RP, Van Zyl S. A New Method for Fractionation and Characterization of Polyphenols and Tannins from Grapevine Leaf Tissue. PLANTS (BASEL, SWITZERLAND) 2023; 12:1706. [PMID: 37111929 PMCID: PMC10144354 DOI: 10.3390/plants12081706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 04/19/2023] [Indexed: 06/19/2023]
Abstract
Plants accumulate different types of phenolic material in their tissue as a response to biotic as well as abiotic stress. Monomeric polyphenols and smaller oligomers can serve as protection against ultraviolet radiation or prevent oxidative tissue damage, while larger molecules such as tannins can be the plant's reaction to an infection or physical damage. Therefore, characterization, profiling, and quantification of diverse phenolics can provide valuable information about the plant and the stress status at any given time. A method was developed that allows the extraction of polyphenols and tannins from leaf tissue, followed by fractionation and quantification. Extraction was performed with liquid nitrogen and 30% acetate-buffered ethanol. The method was tested with four cultivars under varying extraction conditions (solvent strength and temperature) and showed great improvements of the chromatography that would otherwise be impacted by tannins. The separation of tannins from smaller polyphenols was achieved by bovine serum albumin precipitation and resuspension in a urea-triethanolamine buffer. Tannins were reacted with ferric chloride and analyzed spectrophotometrically. Monomeric non-protein-precipitable polyphenols were then analyzed via HPLC-DAD from the supernatant of the precipitation sample. This way, a more complete spectrum of compounds can be analyzed from the same plant tissue extract. With the fractionation suggested here, hydroxycinnamic acids and flavan-3-ols can be separated and quantified with good accuracy and precision. Possible applications include the assessment of plant stress and response monitoring using the total concentrations of polyphenols and tannins, as well as the ratios between those compound classes.
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Affiliation(s)
- Stephan Sommer
- Grape and Wine Institute, University of Missouri, 223 Eckles Hall, Columbia, MO 65211, USA
| | - Marnelle Salie
- Viticulture and Enology Research Center, California State University, 2360 E. Barstow Ave, Fresno, CA 93740, USA
| | - Esteban Garcia
- Viticulture and Enology Research Center, California State University, 2360 E. Barstow Ave, Fresno, CA 93740, USA
| | - Anthony Reyes
- Viticulture and Enology Research Center, California State University, 2360 E. Barstow Ave, Fresno, CA 93740, USA
| | - Steven C. Ebersole
- Viticulture and Enology Research Center, California State University, 2360 E. Barstow Ave, Fresno, CA 93740, USA
| | - Rachel P. Naegele
- Sugarbeet and Bean Research Unit (SBRU), USDA ARS, 1066 Bogue St. #384, East Lansing, MI 48824, USA
| | - Sonet Van Zyl
- Viticulture and Enology Research Center, California State University, 2360 E. Barstow Ave, Fresno, CA 93740, USA
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Zhou W, Jia M, Zhang G, Sun J, Li Q, Wang X, Hua J, Luo S. Up-regulation of phenylpropanoid biosynthesis system in peach species by peach aphids produces anthocyanins that protect the aphids against UVB and UVC radiation. TREE PHYSIOLOGY 2021; 41:428-443. [PMID: 33079182 DOI: 10.1093/treephys/tpaa132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 09/03/2020] [Accepted: 10/06/2020] [Indexed: 05/28/2023]
Abstract
Conspicuous color is a common trait of foliar galls, but their relationship with gall-inducing insects is unknown. Red and green galls were taken from sunny or shady parts of peach species Prunus persica (L.) Batsch. f. rubro-plena Schneid with peach aphid Tuberocephalus momonis (Matsumura) infestation. We found that the loss of photosynthetic pigments was associated with the conspicuous coloration of green gall tissues. The concentrations of anthocyanins significantly increased following ultraviolet (UV) irradiation of green gall tissues, suggesting that accumulation of anthocyanins in red galls is related to ultraviolet B and C (UVB and UVC) radiation. The expression of structural genes related to the biosynthesis of chlorogenic acid and malic acid benzoate was increased in all gall tissues and negatively correlated with the expression profiles of certain genes associated with photosynthetic biosynthesis, indicating that the increased transcript levels of the phenylpropanoid pathway might cause loss of photosynthetic efficiency in the gall tissues. Transcriptome and quantitative reverse transcription PCR analyses revealed that MYB transcription factors that up-regulate the biosynthesis of anthocyanins in red gall tissues might be activated by both UVB and UVC exposure. Comet assays suggest that green and red gall tissues have similar DNA damage following UV irradiation. No obvious effect of the up-regulated compounds on the growth of the peach aphid was observed. Interestingly, peach aphids under leaves painted with anthocyanins had lower mortality following UV irradiation than those in controls. These results suggest that the anthocyanins in red gall tissues have a defensive function for the peach aphid, protecting it against UV radiation.
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Affiliation(s)
- Wei Zhou
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Mingyue Jia
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Guangchen Zhang
- Rice Research Institute, Shenyang Agricultural University, Shenyang 110161, China
| | - Jian Sun
- Rice Research Institute, Shenyang Agricultural University, Shenyang 110161, China
| | - Qilong Li
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Xianling Wang
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Juan Hua
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
- Key Laboratory of Biological Invasions and Global Changes, Shenyang 110161, China
| | - Shihong Luo
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
- Key Laboratory of Biological Invasions and Global Changes, Shenyang 110161, China
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Comparative Transcriptome Analysis of Two Root-Feeding Grape Phylloxera ( D. vitifoliae) Lineages Feeding on a Rootstock and V. vinifera. INSECTS 2020; 11:insects11100691. [PMID: 33053741 PMCID: PMC7601026 DOI: 10.3390/insects11100691] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/08/2020] [Accepted: 10/09/2020] [Indexed: 12/12/2022]
Abstract
Simple Summary Grape phylloxera is an American native insect pest that caused heavy damages to the vineyards worldwide since its spreading to wine regions since the 1850s. This insect, able to feed on leaves and roots, induces plant galls and manipulates the grapevine physiology leading to plant damage and may cause plant death. The most successful treatment was the use of mostly partially resistant rootstocks. The degree of resistance is affected by environment, grapevine management and the insect biotype. In this study, we analyse the interaction of insect biotypes feeding on particular host plants. Therefore we evaluated the gene expression of Phylloxera feeding on a susceptible host versus feeding on a rootstock in two different developmental stages. We discovered (mainly in advanced insect developmental stages) genes expressed in higher proportion in one insect compared to the other. These genes related to chemosensory; in plant physiology manipulation and root deformation and insect digestive traits may play a role in the plant-insect interaction determining plant resistance in response to the pest attack. Abstract Grape phylloxera is one of the most dangerous insect pests for worldwide viticulture. The leaf- and root-galling phylloxerid has been managed by grafting European grapevines onto American rootstock hybrids. Recent reports pinpoint the appearance of host-adapted biotypes, but information about the biomolecular characteristics underlying grape phylloxera biotypisation and its role in host performance is scarce. Using RNA-sequencing, we sequenced the transcriptome of two larval stages: L1 (probing) and L2-3 (feeding) larvae of two root-feeding grape phylloxera lineages feeding on the rootstock Teleki 5C (biotype C) and V. vinifera Riesling (biotype A). In total, 7501 differentially expressed genes (DEGs) were commonly modulated by the two biotypes. For the probing larvae, we found an increased number of DEGs functionally associated with insect chemoreception traits, such as odorant-binding proteins, chemosensory proteins, ionotropic, odorant, and gustatory receptors. The transcriptomic profile of feeding larvae was enriched with DEGs associated with the primary metabolism. Larvae feeding on the tolerant rootstock Teleki 5C exhibited higher numbers of plant defense suppression-associated DEGs than larvae feeding on the susceptible host. Based on the identified DEGs, we discuss their potential role for the compatible grape phylloxera–Vitis interaction belowground. This study was the first to compare the transcriptomes of two grape phylloxera lineages feeding on a tolerant and susceptible host, respectively, and to identify DEGs involved in the molecular interaction with these hosts. Our data provide a source for future studies on host adaptation mechanisms of grape phylloxera and help to elucidate grape phylloxera resistance further.
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Eitle MW, Carolan JC, Griesser M, Forneck A. The salivary gland proteome of root-galling grape phylloxera (Daktulosphaira vitifoliae Fitch) feeding on Vitis spp. PLoS One 2019; 14:e0225881. [PMID: 31846459 PMCID: PMC6917271 DOI: 10.1371/journal.pone.0225881] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 11/14/2019] [Indexed: 01/17/2023] Open
Abstract
The successful parasitisation of a plant by a phytophagous insect is dependent on the delivery of effector molecules into the host. Sedentary gall forming insects, such as grape phylloxera (Daktulosphaira vitifoliae Fitch, Phylloxeridae), secrete multiple effectors into host plant tissues that alter or modulate the cellular and molecular environment to the benefit of the insect. The identification and characterisation of effector proteins will provide insight into the host-phylloxera interaction specifically the gall-induction processes and potential mechanisms of plant resistance. Using proteomic mass spectrometry and in-silico secretory prediction, 420 putative effectors were determined from the salivary glands or the root-feeding D. vitifoliae larvae reared on Teleki 5C (V. berlandieri x V. riparia). Among them, 170 conserved effectors were shared between D. vitifoliae and fourteen phytophagous insect species. Quantitative RT-PCR analysis of five conserved effector candidates (protein disulfide-isomerase, peroxidoredoxin, peroxidase and a carboxypeptidase) revealed that their gene expression decreased, when larvae were starved for 24 h, supporting their assignment as effector molecules. The D. vitifoliae effectors identified here represent a functionally diverse group, comprising both conserved and unique proteins that provide new insight into the D. vitifoliae-Vitis spp. interaction and the potential mechanisms by which D. vitifoliae establishes the feeding site, suppresses plant defences and modulates nutrient uptake.
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Affiliation(s)
- Markus W. Eitle
- University of Natural Resources and Life Sciences, Department of Crop Sciences, Institute of Viticulture and Pomology, Vienna, Austria
| | - James C. Carolan
- Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland
| | - Michaela Griesser
- University of Natural Resources and Life Sciences, Department of Crop Sciences, Institute of Viticulture and Pomology, Vienna, Austria
| | - Astrid Forneck
- University of Natural Resources and Life Sciences, Department of Crop Sciences, Institute of Viticulture and Pomology, Vienna, Austria
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Eitle MW, Griesser M, Vankova R, Dobrev P, Aberer S, Forneck A. Grape phylloxera (D. vitifoliae) manipulates SA/JA concentrations and signalling pathways in root galls of Vitis spp. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2019; 144:85-91. [PMID: 31561201 DOI: 10.1016/j.plaphy.2019.09.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/15/2019] [Accepted: 09/17/2019] [Indexed: 05/28/2023]
Abstract
Overcoming host defensive traits is a prerequisite to establish compatible plant-parasite interactions. Following parasite perception, jasmonic (JA) and salicylic acid (SA) signalling pathways mediate biotic stress signals resulting in the activation of host defence responses. Piercing-sucking grape phylloxera (Daktulosphaira vitifoliae) infests Vitis spp. by the formation of organoid root galls. This study aims to investigate whether host defensive SA/JA signalling pathways are affected during D. vitifoliae infestation. We hypothesize that the JA signalling pathway is induced during larval probing (14 hai). Compatible root gall formation (24 hai - 14 dai) involves the reduction of the JA, but the induction of the SA signaling pathway. T5C (V.berlandieri x V.riparia) cuttings are infested with a D. vitifoliae single founder lineage (biotype C). Phytohormone quantification (HPLC-MS) and transcriptional alterations of JA/SA marker genes (qRT-PCR) are determined in root tissues from larval probing (14 hai) until gall formation (>14 dai). Non-infested root tips are considered controls. Our results show a significant induction of all analysed JA marker genes during insect probing (14 hai), but their significant reduction during early gall formation (24 hai). Following gall formation (5-14 dai) SA and JA-Ile increase. However, only the analysed SA marker genes are induced, whereas JA marker gene expression levels are significantly reduced. Based on this data we conclude that the observed suppression of the JA signalling pathway might represent an important step for the compatible D. vitifoliae - Vitis spp. root interaction. We discuss whether the induced SA defences protect nutritive root galls against soil microbes.
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Affiliation(s)
- Markus W Eitle
- Institute of Viticulture and Pomology, Department of Crop Sciences, University of Natural Resources and Life Sciences (BOKU), Vienna, Konrad Lorenz Strasse 24, 3430, Tulln an der Donau, Austria.
| | - Michaela Griesser
- Institute of Viticulture and Pomology, Department of Crop Sciences, University of Natural Resources and Life Sciences (BOKU), Vienna, Konrad Lorenz Strasse 24, 3430, Tulln an der Donau, Austria.
| | - Radomira Vankova
- Institute of Experimental Botany, Institute of Experimental Botany, Czech Academy of Sciences, Rozvojová 263, 16502, Praha 6, Prague, Czech Republic.
| | - Petre Dobrev
- Institute of Experimental Botany, Institute of Experimental Botany, Czech Academy of Sciences, Rozvojová 263, 16502, Praha 6, Prague, Czech Republic.
| | - Simone Aberer
- Institute of Viticulture and Pomology, Department of Crop Sciences, University of Natural Resources and Life Sciences (BOKU), Vienna, Konrad Lorenz Strasse 24, 3430, Tulln an der Donau, Austria.
| | - Astrid Forneck
- Institute of Viticulture and Pomology, Department of Crop Sciences, University of Natural Resources and Life Sciences (BOKU), Vienna, Konrad Lorenz Strasse 24, 3430, Tulln an der Donau, Austria.
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Use of DNA Markers for Grape Phylloxera Population and Evolutionary Genetics: From RAPDs to SSRs and Beyond. INSECTS 2019; 10:insects10100317. [PMID: 31557951 PMCID: PMC6835732 DOI: 10.3390/insects10100317] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/24/2019] [Accepted: 09/24/2019] [Indexed: 11/20/2022]
Abstract
Grape phylloxera (Daktulosphaira vitifoliae Fitch) is a major pest of cultivated grapevines (Vitis spp.), occurring in virtually all viticultural regions around the world. Different grape phylloxera strains can be found at varying levels on leaves and roots on both own-rooted plants and in plants grafted onto partially resistant rootstocks. Considering its relevance for the adequate management of the pest in infested vineyards, the analysis of its genetic diversity has received considerable attention from the scientific community in the last decades. Here, we review 25 years of DNA-based molecular markers applied to the analysis of the genetic structure and the reproductive mode of grape phylloxera in its native range and in different introduced regions. The use given to RAPD, AFLP, mtDNA sequencing and microsatellite (SSR) genetic markers for the analysis of grape phylloxera diversity is discussed, and an overview of the main findings obtained after their application to different populations collected in diverse regions all around the world is shown. Lastly, we explore how recent advancements in molecular biology and in modern high throughput genotyping technologies may be applied to better understand grape phylloxera natural diversity at a molecular level.
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Savi T, García González A, Herrera JC, Forneck A. Gas exchange, biomass and non-structural carbohydrates dynamics in vines under combined drought and biotic stress. BMC PLANT BIOLOGY 2019; 19:408. [PMID: 31533621 PMCID: PMC6749654 DOI: 10.1186/s12870-019-2017-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 09/05/2019] [Indexed: 05/07/2023]
Abstract
BACKGROUND Intensity of drought stress and pest attacks is forecasted to increase in the near future posing a serious threat to natural and agricultural ecosystems. Knowledge on potential effects of a combined abiotic-biotic stress on whole-plant physiology is lacking. We monitored the water status and carbon metabolism of a vine rootstock with or without scion subjected to water shortening and/or infestation with the sucking insect phylloxera (Daktulosphaira vitifoliae Fitch). We measured non-structural carbohydrates and biomass of different plant organs to assess the stress-induced responses at the root, stem, and leaf level. Effects of watering on root infestation were also addressed. RESULTS Higher root infestation was observed in drought-stressed plants compared to well-watered. The drought had a significant impact on most of the measured functional traits. Phylloxera further influenced vines water and carbon metabolism and enforced the sink strength of the roots by stimulating photosynthates translocation. The insect induced carbon depletion, reprogramed vine development, while preventing biomass compensation. A synergic effect of biotic-abiotic stress could be detected in several physiological and morphological traits. CONCLUSIONS Our results indicate that events of water shortage favour insects' feeding damage and increase the abundance of root nodosities. Root phylloxera infestation imposes a considerable stress to the plants which might exacerbate the negative effects of drought.
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Affiliation(s)
- Tadeja Savi
- Department of Integrative Biology and Biodiversity Research, University of Natural Resources and Life Sciences, Vienna (BOKU), Institute of Botany, Gregor-Mendel-Straße 33, 1190 Vienna, Austria
- Department of Crop Sciences, University of Natural Resources and Life Sciences, Vienna (BOKU), Institute of Viticulture and Pomology, Konrad Lorenz Strasse 24, A-3430 Tulln, Austria
| | - Almudena García González
- Department of Crop Sciences, University of Natural Resources and Life Sciences, Vienna (BOKU), Institute of Viticulture and Pomology, Konrad Lorenz Strasse 24, A-3430 Tulln, Austria
| | - Jose Carlos Herrera
- Department of Crop Sciences, University of Natural Resources and Life Sciences, Vienna (BOKU), Institute of Viticulture and Pomology, Konrad Lorenz Strasse 24, A-3430 Tulln, Austria
| | - Astrid Forneck
- Department of Crop Sciences, University of Natural Resources and Life Sciences, Vienna (BOKU), Institute of Viticulture and Pomology, Konrad Lorenz Strasse 24, A-3430 Tulln, Austria
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