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001-es BibID:BIBFORM106841
035-os BibID:(cikkazonosító)112347 (WoS)000921144100001 (Scopus)85145252534
Első szerző:Gonda Sándor (gyógyszerész)
Cím:Quality-controlled LC-ESI-MS food metabolomics of fenugreek (Trigonella foenum-graecum) sprouts: Insights into changes in primary and specialized metabolites / Sándor Gonda, Zsolt Szűcs, Tamás Plaszkó, Zoltán Cziáky, Attila Kiss-Szikszai, Dávid Sinka, Ildikó Bácskay, Gábor Vasas
Dátum:2023
ISSN:0963-9969
Megjegyzések:Fenugreek (Trigonella foenum-graecum L.) is an important food and spice with bioactive compounds against diabetes. In this study, fenugreek seeds germinating in darkness for 72 h were studied using quantification of trigonelline and 4-hydroxyisoleucine and an LC-ESI-MS/MS-based metabolomic approach capable of accurately estimating 237 features from various primary and specialized compound classes. During germination, the concentrations of trigonelline and 4-hydroxyisoleucine rose by 33.5% and 33.3%, respectively. At the same time, untargeted metabolomics revealed 9 putative flavonoids increasing 1.19-to 2.77 -fold compared to the dormant seeds. A set of 19 steroid saponins rose by 1.08-to 31.86-fold. Primary metabolites however showed much more variability: abundance changes in amino acid derivatives, peptides and saccharides fell in the 0.09-to 22.25-fold, 0.93-to 478.79-fold and 0.36-to 941.58-fold ranges, respectively. To increase biosynthesis of specialized metabolites during germination, sprouts were exposed to 1-100 mM methyl jasmonate (MeJA) and methyl salicylate (MeSA). The hormone treatments affected normal metabolism: 67.1-83.1 % and 64.1-83.5 % of compounds showed a reduction compared to the controls in 100 mM MeJA and MeSA treatments at different sampling time points. Contrary to expectations, the abundance of flavonoids decreased, compared to the control sprouts (0.75-and 0.68-fold change medians, respectively). The same was observed for most, but not all steroid saponins. The quality-controlled untargeted metabolomics approach proved to yield excellent insight into the metabolic changes during germination of fenugreek. The results suggest that although fenugreek germination causes major shifts in plant metabolism, there are no major qualitative changes in bioactive specialized metabolites during the first three days. This stability likely translates into good bioactivity that is similar to that of the seeds. Because the large changes in the primary metabolites likely alter the nutritive value of the seed, further studies are warranted.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Food Research International. - 164 (2023), p. 1-13. -
További szerzők:Szűcs Zsolt (1990-) (gyógyszerész) Plaszkó Tamás (1994-) (Biológus Msc) Cziáky Zoltán Kiss-Szikszai Attila (1975-) (vegyész) Sinka Dávid Zsolt (1991-) (gyógyszerész) Bácskay Ildikó (1969-) (gyógyszerész, gyógyszertechnológus) Vasas Gábor (1975-) (biológus-vegyész)
Pályázati támogatás:OTKA-128021
OTKA
TKP2020-IKA-04
Egyéb
GINOP-2.2.1-15-2017-00066
GINOP
GINOP-2.3.3-15-2016-00021
GINOP
ÚNKP-22-3-II-DE-128
Egyéb
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Intézményi repozitóriumban (DEA) tárolt változat
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2.

001-es BibID:BIBFORM077836
035-os BibID:(cikkazonosító)2204 (WoS)000447365100115 (Scopus)85052615407
Első szerző:Gonda Sándor (gyógyszerész)
Cím:A Simple Method for On-Gel Detection of Myrosinase Activity / Sándor Gonda, Zsolt Szűcs, Tamás Plaszkó, Zoltán Cziáky, Attila Kiss-Szikszai, Gábor Vasas, Márta M-Hamvas
Dátum:2018
ISSN:1420-3049
Megjegyzések:Myrosinase is an enzyme present in many functional foods and spices, particularly in Cruciferous vegetables. It hydrolyses glucosinolates which thereafter rearrange into bioactive volatile constituents (isothiocyanates, nitriles). We aimed to develop a simple reversible method for on-gel detection of myrosinase. Reagent composition and application parameters for native PAGE and SDS-PAGE gels were optimized. The proposed method was successfully applied to detect myrosinase (or sulfatase) on-gel: the detection solution contains methyl red which gives intensive red bands where the HSO 4 ? is enzymatically released from the glucosinolates. Subsequently, myrosinase was successfully distinguished from sulfatase by incubating gel bands in a derivatization solution and examination by LC-ESI-MS: myrosinase produced allyl isothiocyanate (detected in conjugate form) while desulfo-sinigrin was released by sulfatase, as expected. After separation of 80 ?g protein of crude extracts of Cruciferous vegetables, intensive color develops within 10 min. On-gel detection was found to be linear between 0.031?0.25 U (pure Sinapis alba myrosinase, R 2 = 0.997). The method was successfully applied to detection of myrosinase isoenzymes from horseradish, Cruciferous vegetables and endophytic fungi of horseradish as well. The method was shown to be very simple, rapid and efficient. It enables detection and partial characterization of glucosinolate decomposing enzymes without protein purification.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Molecules. - 23 : 9 (2018), p. 1-11. -
További szerzők:Szűcs Zsolt (1990-) (gyógyszerész) Plaszkó Tamás (1994-) (Biológus Msc) Cziáky Zoltán Kiss-Szikszai Attila (1975-) (vegyész) Vasas Gábor (1975-) (biológus-vegyész) Mikóné Hamvas Márta (1963-) (biológus)
Pályázati támogatás:NKFIH FK 128021
Egyéb
NKFIH PD 124339
Egyéb
EFOP-3.6.1-16-2016-00022
EFOP
GINOP-2.3.2-15-2016-00008
GINOP
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Intézményi repozitóriumban (DEA) tárolt változat
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3.

001-es BibID:BIBFORM102137
035-os BibID:(cikkazonosító)921008 (WoS)001027373900001 (Scopus)85133585085
Első szerző:Plaszkó Tamás (Biológus Msc)
Cím:Correlations between the metabolome and the endophytic fungal metagenome suggests importance of various metabolite classes in community assembly in horseradish (Armoracia rusticana L., Brassicaceae) roots / Plaszkó Tamás, Szűcs Zsolt, Cziáky Zoltán, Ács-Szabó Lajos, Csoma Hajnalka, Géczi László, Vasas Gábor, Gonda Sándor
Dátum:2022
ISSN:1664-462X
Megjegyzések:The plant microbiome is an increasingly intensive research area, with significance in agriculture, general plant health, and production of bioactive natural products. Correlations between the fungal endophytic communities and plant chemistry can provide insight into these interactions, and suggest key contributors on both the chemistry and fungal side. In this study, roots of various horseradish (Armoracia rusticana L.) accessions grown under the same conditions were sampled in two consecutive years and chemically characterized using a quality controlled, untargeted metabolomics approach by LC-ESI-MS/MS. Sinigrin, gluconasturtiin, glucoiberin and glucobrassicin were also quantified. Thereafter, a subset of roots from 8 accessions (n = 64) with considerable chemical variability was assessed for their endophytic fungal community, using an ITS2 amplicon-based metagenomic approach using a custom primer with high coverage on fungi, but no amplification of host ITS. A set of 335 chemical features, including putatively identified flavonoids, phospholipids, peptides, amino acid derivatives, indolic phytoalexins, a glucosinolate and a glucosinolate downstream product was detected. Major taxa in horseradish roots belonged to Cantharellales, Glomerellales, Hypocreales, Pleosporales, Saccharomycetales and Sordariales. Most abundant genera included typical endophytes such as Plectosphaerella, Thanatephorus, Podospora, Monosporascus, Exophiala and Setophoma. A surprising dominance of single taxa was observed for many samples. In summary, 35.23% of reads of the plant endophytic fungal microbiome correlated with changes in the plant metabolome. While the concentration of flavonoid kaempferol glycosides positively correlated with the abundance of many fungal strains, many compounds showed negative correlations with fungi including indolic phytoalexins, a putative glucosinolate but not major glucosinolates and a glutathione isothiocyanate adduct. The latter is likely an in vivo glucosinolate decomposition product important in fungal arrest. Our results show the potency of the untargeted metabolomics approach in deciphering plant - microbe interactions and depicts a complex array of various metabolite classes in shaping the endophytic fungal community.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
plant microbiome
plant holobiont
fungal endophytes
glucosinolate decomposition
flavonoid glycosides
tryptophan derivatives
Megjelenés:Frontiers in Plant Science. - 13 (2022), p. 1-34. -
További szerzők:Szűcs Zsolt (1990-) (gyógyszerész) Cziáky Zoltán Ács-Szabó Lajos (1985-) (biológus) Csoma Hajnalka (1979-) (biológus, szőlész-borász) Géczi László Vasas Gábor (1975-) (biológus-vegyész) Gonda Sándor (1984-) (gyógyszerész)
Pályázati támogatás:OTKA 128021
OTKA
EFOP-3.6.1-16-2016-00022
EFOP
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
DOI
Szerző által megadott URL
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4.

001-es BibID:BIBFORM101694
035-os BibID:(WoS)000795363100001 (Scopus)85129796322
Első szerző:Sinka Dávid Zsolt (gyógyszerész)
Cím:Formulation, Characterization and Permeability Studies of Fenugreek (Trigonella foenum-graecum) Containing Self-Emulsifying Drug Delivery System (SEDDS) / Dávid Sinka, Enikő Doma, Nóra Szendi, Jázmin Páll, Dóra Kósa, Ágota Pető, Pálma Fehér, Zoltán Ujhelyi, Ferenc Fenyvesi, Judit Váradi, Miklós Vecsernyés, Zsolt Szűcs, Sándor Gonda, Zoltán Cziáky, Attila Kiss-Szikszai, Gábor Vasas, Ildikó Bácskay
Dátum:2022
ISSN:1420-3049
Megjegyzések:Fenugreek is used as a spice and a traditional herbal medicine for a variety of purposes, given its antidiabetic and antioxidant effects. Self-emulsifying drug delivery systems (SEDDS) of herbal drugs are targets of extensive research aiming to increase bioavailability and stability. The study's objective was to formulate SEDDS containing Trigonella foenum-graecum extract to improve the stability of herbal extract and to increase their permeability through a Caco-2 monolayer. A characterized fenugreek dry extract was used for the formulations, while the SEDDS properties were examined by particle size analysis and zeta potential measurements. Permeability assays were carried out on Caco-2 cell monolayers, the integrity of which was monitored by follow-up trans-epithelial electric resistance measurements (TEER). Cytocompatibility was tested by the MTT method, and an indirect dissolution test was performed, using DPPH antioxidant reagent. Two different SEDDS compositions were formulated from a standardized fenugreek dry extract at either the micro- or the nanoemulsion scale with sufficient stability, enhanced bioavailability of the compounds, and sustained release from HPMC capsules. Based on our results, a modern, non-toxic, cytocompatible fenugreek SEDDS formulation with high antioxidant capacity was developed in order to improve the permeability and bioavailability of all components.
Tárgyszavak:Orvostudományok Gyógyszerészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Molecules. - 27 : 9 (2022), p. 2846-. -
További szerzők:Doma Enikő Szendi Nóra Páll Jázmin Kósa Dóra (1994-) (gyógyszerész) Pető Ágota (1994-) (gyógyszerész) Fehér Pálma (1976-) (gyógyszerész) Ujhelyi Zoltán (1984-) (gyógyszerész) Fenyvesi Ferenc (1977-) (gyógyszerész, gyógyszertechnológus) Váradi Judit (1973-) (gyógyszerész, gyógyszertechnológus) Vecsernyés Miklós (1959-) (gyógyszertechnológus, endokrinológus) Szűcs Zsolt (1990-) (gyógyszerész) Gonda Sándor (1984-) (gyógyszerész) Cziáky Zoltán Kiss-Szikszai Attila (1975-) (vegyész) Vasas Gábor (1975-) (biológus-vegyész) Bácskay Ildikó (1969-) (gyógyszerész, gyógyszertechnológus)
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Intézményi repozitóriumban (DEA) tárolt változat
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5.

001-es BibID:BIBFORM081697
035-os BibID:(cikkazonosító)112084 (WoS)000491607600002 (Scopus)85070369075
Első szerző:Szűcs Zsolt (gyógyszerész)
Cím:Comparative metabolomics of Tilia platyphyllos Scop. bracts during phenological development / Szűcs Zsolt, Cziáky Zoltán, Kiss-Szikszai Attila, Sinka László, Vasas Gábor, Gonda Sándor
Dátum:2019
ISSN:0031-9422
Tárgyszavak:Természettudományok Kémiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Phytochemistry. - 167 (2019), p. 1-11. -
További szerzők:Cziáky Zoltán Kiss-Szikszai Attila (1975-) (vegyész) Sinka László Tamás Vasas Gábor (1975-) (biológus-vegyész) Gonda Sándor (1984-) (gyógyszerész)
Pályázati támogatás:EFOP-3.6.1-16-2016-00022
EFOP
GINOP-2.3.3-15-2016-00021
GINOP
GINOP-2.3.2-15-2016-00008
GINOP
Internet cím:Szerző által megadott URL
DOI
Intézményi repozitóriumban (DEA) tárolt változat
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6.

001-es BibID:BIBFORM074731
035-os BibID:(WoS)000432283600002 (Scopus)85046668578
Első szerző:Szűcs Zsolt (gyógyszerész)
Cím:Endophytic fungi from the roots of horseradish (Armoracia rusticana) and their interactions with the defensive metabolites of the glucosinolate - myrosinase - isothiocyanate system / Szűcs Zsolt, Plaszkó Tamás, Cziáky Zoltán, Kiss-Szikszai Attila, Emri Tamás, Bertóti Regina, Sinka László Tamás, Vasas Gábor, Gonda Sándor
Dátum:2018
ISSN:1471-2229
Megjegyzések:AbstractBackgroundThe health of plants is heavily influenced by the intensively researched plant microbiome. The microbiome has to cope with the plant's defensive secondary metabolites to survive and develop, but studies that describe this interaction are rare. In the current study, we describe interactions of endophytic fungi with a widely researched chemical defense system, the glucosinolate - myrosinase - isothiocyanate system. The antifungal isothiocyanates are also of special interest because of their beneficial effects on human consumers.ResultsSeven endophytic fungi were isolated from horseradish roots (Armoracia rusticana), from the genera Fusarium, Macrophomina, Setophoma, Paraphoma and Oidiodendron. LC-ESI-MS analysis of the horseradish extract incubated with these fungi showed that six of seven strains could decompose different classes of glucosinolates. Aliphatic, aromatic, thiomethylalkyl and indolic glucosinolates were decomposed by different strains at different rates. SPME-GC-MS measurements showed that two strains released significant amounts of allyl isothiocyanate into the surrounding air, but allyl nitrile was not detected. The LC-ESI-MS analysis of many strains' media showed the presence of allyl isothiocyanate - glutathione conjugate during the decomposition of sinigrin. Four endophytic strains also accepted sinigrin as the sole carbon source. Isothiocyanates inhibited the growth of fungi at various concentrations, phenylethyl isothiocyanate was more potent than allyl isothiocyanate (mean IC50 was 2.30-fold lower).As a control group, ten soil fungi from the same soil were used. They decomposed glucosinolates with lower overall efficiency: six of ten strains had insignificant or weak activities and only three could use sinigrin as a carbon source. The soil fungi also showed lower AITC tolerance in the growth inhibition assay: the median IC50 values were 0.1925 mM for endophytes and 0.0899 mM for soil fungi.ConclusionsThe host's glucosinolates can be used by the tested endophytic fungi as nutrients or to gain competitive advantage over less tolerant species. These activities were much less apparent among the soil fungi. This suggests that the endophytes show adaptation to the host plant's secondary metabolites and that host metabolite specific activities are enriched in the root microbiome. The results present background mechanisms enabling an understanding of how plants shape their microbiome.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Myrosinase
Endophytes
Glucosinolate
Isothiocyanate
Fungal enzyme
Megjelenés:BMC Plant Biology. - 18 : 1 (2018), p. 1-15. -
További szerzők:Plaszkó Tamás (1994-) (Biológus Msc) Cziáky Zoltán Kiss-Szikszai Attila (1975-) (vegyész) Emri Tamás (1969-) (biológus) Bertóti Regina Sinka László Tamás Vasas Gábor (1975-) (biológus-vegyész) Gonda Sándor (1984-) (gyógyszerész)
Pályázati támogatás:112374
OTKA
124339
OTKA
EFOP-3.6.1-16-2016-00022
EFOP
Internet cím:Szerző által megadott URL
DOI
Intézményi repozitóriumban (DEA) tárolt változat
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