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Open Field Study of Some Zea mays Hybrids, Lipid Compounds and Fumonisins Accumulation.

Giorni P, Dall'Asta C, Reverberi M, Scala V, Ludovici M, Cirlini M, Galaverna G, Fanelli C, Battilani P - Toxins (Basel) (2015)

Bottom Line: Some classes of lipids actively determine the fate of the interactions.Host cuticle/cell wall/membrane components such as sphingolipids and oxylipins may contribute to determining the fate of host-pathogen interactions.Therefore, the question-"Does fumonisin alter plant lipidome or does plant lipidome modulate fumonisin accumulation?"-is still open.

View Article: PubMed Central - PubMed

Affiliation: Dipartimento di Scienze delle Produzioni Vegetali Sostenibili, Università Cattolica del Sacro Cuore, Piacenza 29100, Italy. paola.giorni@unicatt.it.

ABSTRACT
Lipid molecules are increasingly recognized as signals exchanged by organisms interacting in pathogenic and/or symbiotic ways. Some classes of lipids actively determine the fate of the interactions. Host cuticle/cell wall/membrane components such as sphingolipids and oxylipins may contribute to determining the fate of host-pathogen interactions. In the present field study, we considered the relationship between specific sphingolipids and oxylipins of different hybrids of Zea mays and fumonisin by F. verticillioides, sampling ears at different growth stages from early dough to fully ripe. The amount of total and free fumonisin differed significantly between hybrids and increased significantly with maize ripening. Oxylipins and phytoceramides changed significantly within the hybrids and decreased with kernel maturation, starting from physiological maturity. Although the correlation between fumonisin accumulation and plant lipid profile is certain, the data collected so far cannot define a cause-effect relationship but open up new perspectives. Therefore, the question-"Does fumonisin alter plant lipidome or does plant lipidome modulate fumonisin accumulation?"-is still open.

No MeSH data available.


(a–d) N-(2ʹ-hydroxylignoceroyl)-phytosphingosine (HLP), N-lignoceroyl-phytosphingosine (LP), 9- and 13-HODE, expressed as percentage on the maximum amount detected in each growing location, in hybrid 17 (a); hybrid 18 (b); hybrid 19 (c) and hybrid 20 (d) harvested at different growth stages: early dough maturity (GS1), dough stage (GS2), physiological maturity (GS3) and fully ripe (GS4). Results represent the mean of n = 9 values deriving from the three different locations (biological replicates) in three technical replicates ± SE.
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toxins-07-03657-f004: (a–d) N-(2ʹ-hydroxylignoceroyl)-phytosphingosine (HLP), N-lignoceroyl-phytosphingosine (LP), 9- and 13-HODE, expressed as percentage on the maximum amount detected in each growing location, in hybrid 17 (a); hybrid 18 (b); hybrid 19 (c) and hybrid 20 (d) harvested at different growth stages: early dough maturity (GS1), dough stage (GS2), physiological maturity (GS3) and fully ripe (GS4). Results represent the mean of n = 9 values deriving from the three different locations (biological replicates) in three technical replicates ± SE.

Mentions: In relation to findings of [9], we focused our attention on the presence of specific fatty acid derivatives such as 9- and 13-HydroxyOctaDecEnoic acids (HODE), and phytoceramides such as lignoceric phytosphingosine (Cer(t18:0/24:0)) (LP) and hydroxyl-lignoceric phytosphingosine (Cer(t18:0/24:0(2OH))) (HLP) in the four commercial hybrids of maize naturally infected by F. verticillioides. 9-HODE and phytoceramides were significantly affected by hybrids, with hybrid 19 having always the lowest and hybrid 18 always the highest content. Fatty acid derivatives and phytoceramides decreased during kernel maturation. Specifically, the decrease started from the physiological maturity stage in hybrid 18 and hybrid 20, whilst it started from the fully ripe stage in hybrid 17 and hybrid 19 (Figure 4a–d), whereas 9-HODE was found to be unaffected by the growth stage (Table 2).


Open Field Study of Some Zea mays Hybrids, Lipid Compounds and Fumonisins Accumulation.

Giorni P, Dall'Asta C, Reverberi M, Scala V, Ludovici M, Cirlini M, Galaverna G, Fanelli C, Battilani P - Toxins (Basel) (2015)

(a–d) N-(2ʹ-hydroxylignoceroyl)-phytosphingosine (HLP), N-lignoceroyl-phytosphingosine (LP), 9- and 13-HODE, expressed as percentage on the maximum amount detected in each growing location, in hybrid 17 (a); hybrid 18 (b); hybrid 19 (c) and hybrid 20 (d) harvested at different growth stages: early dough maturity (GS1), dough stage (GS2), physiological maturity (GS3) and fully ripe (GS4). Results represent the mean of n = 9 values deriving from the three different locations (biological replicates) in three technical replicates ± SE.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4591652&req=5

toxins-07-03657-f004: (a–d) N-(2ʹ-hydroxylignoceroyl)-phytosphingosine (HLP), N-lignoceroyl-phytosphingosine (LP), 9- and 13-HODE, expressed as percentage on the maximum amount detected in each growing location, in hybrid 17 (a); hybrid 18 (b); hybrid 19 (c) and hybrid 20 (d) harvested at different growth stages: early dough maturity (GS1), dough stage (GS2), physiological maturity (GS3) and fully ripe (GS4). Results represent the mean of n = 9 values deriving from the three different locations (biological replicates) in three technical replicates ± SE.
Mentions: In relation to findings of [9], we focused our attention on the presence of specific fatty acid derivatives such as 9- and 13-HydroxyOctaDecEnoic acids (HODE), and phytoceramides such as lignoceric phytosphingosine (Cer(t18:0/24:0)) (LP) and hydroxyl-lignoceric phytosphingosine (Cer(t18:0/24:0(2OH))) (HLP) in the four commercial hybrids of maize naturally infected by F. verticillioides. 9-HODE and phytoceramides were significantly affected by hybrids, with hybrid 19 having always the lowest and hybrid 18 always the highest content. Fatty acid derivatives and phytoceramides decreased during kernel maturation. Specifically, the decrease started from the physiological maturity stage in hybrid 18 and hybrid 20, whilst it started from the fully ripe stage in hybrid 17 and hybrid 19 (Figure 4a–d), whereas 9-HODE was found to be unaffected by the growth stage (Table 2).

Bottom Line: Some classes of lipids actively determine the fate of the interactions.Host cuticle/cell wall/membrane components such as sphingolipids and oxylipins may contribute to determining the fate of host-pathogen interactions.Therefore, the question-"Does fumonisin alter plant lipidome or does plant lipidome modulate fumonisin accumulation?"-is still open.

View Article: PubMed Central - PubMed

Affiliation: Dipartimento di Scienze delle Produzioni Vegetali Sostenibili, Università Cattolica del Sacro Cuore, Piacenza 29100, Italy. paola.giorni@unicatt.it.

ABSTRACT
Lipid molecules are increasingly recognized as signals exchanged by organisms interacting in pathogenic and/or symbiotic ways. Some classes of lipids actively determine the fate of the interactions. Host cuticle/cell wall/membrane components such as sphingolipids and oxylipins may contribute to determining the fate of host-pathogen interactions. In the present field study, we considered the relationship between specific sphingolipids and oxylipins of different hybrids of Zea mays and fumonisin by F. verticillioides, sampling ears at different growth stages from early dough to fully ripe. The amount of total and free fumonisin differed significantly between hybrids and increased significantly with maize ripening. Oxylipins and phytoceramides changed significantly within the hybrids and decreased with kernel maturation, starting from physiological maturity. Although the correlation between fumonisin accumulation and plant lipid profile is certain, the data collected so far cannot define a cause-effect relationship but open up new perspectives. Therefore, the question-"Does fumonisin alter plant lipidome or does plant lipidome modulate fumonisin accumulation?"-is still open.

No MeSH data available.