Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Growth and Primary Metabolism of Lettuce Seedlings (Lactuca sativa L.) Are Promoted by an Innovative Iron-Based Fenton Composted Amendment

Amalia Piro
* ORCID logo ,
Daniela Oliva
,
Dante Matteo Nisticò
,
Ilaria Lania
,
Maria Rita Basile
,
Giuseppe Chidichimo
,
Silvia Mazzuca
Version 1 : Received: 5 June 2023 / Approved: 5 June 2023 / Online: 5 June 2023 (16:14:19 CEST)

A peer-reviewed article of this Preprint also exists.

Piro, A.; Oliva, D.; Nisticò, D.M.; Lania, I.; Basile, M.R.; Chidichimo, G.; Mazzuca, S. Growth and Primary Metabolism of Lettuce Seedlings (Lactuca sativa L.) Are Promoted by an Innovative Iron-Based Fenton-Composted Amendment. Plants 2023, 12, 2234. Piro, A.; Oliva, D.; Nisticò, D.M.; Lania, I.; Basile, M.R.; Chidichimo, G.; Mazzuca, S. Growth and Primary Metabolism of Lettuce Seedlings (Lactuca sativa L.) Are Promoted by an Innovative Iron-Based Fenton-Composted Amendment. Plants 2023, 12, 2234.

Abstract

Information regarding physiological and molecular plant responses to the treatment with new biofertilizers is limited. In this study a fast-composting soil amendment (FCA), obtained from solid waste by means of a Fenton reaction, was tested to evaluate the effects on the growth of Lactuca sativa L. var. longifolia seedlings. Growth rate, leaves and roots biomass, chlorophyll concentration and total soluble proteins of seedlings treated with the 2% FCA soil amendment showed significant increase in comparison with control seedlings. Leaf proteomic analysis revealed that the FCA soil amendment induced the up-regulation of proteins belonging to photosynthesis machinery, carbohydrate metabolism and promoted the up-regulation of the water stress response. Root proteomics indicated that FCA strongly induced the organs morphogenesis and developments; root cap development, lateral root formation, post-embryonic root morphogenesis were the main biological processes enriched by the treatment. Overall, our data suggest that addition of FCA formulation to the base soils might ameliorate plant growth by inducing carbohydrates primary metabolism and the differentiation of a robust root system.

Keywords

soil amendment; Fenton reaction; seedling growth; plant proteomics; Lettuce

Subject

Biology and Life Sciences, Plant Sciences

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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