Plant probiotic bacteria: solutions to feed the world

Abstract

The increasing human population expected in the next decades, the growing demand of livestock products—which production requires higher amounts of feed products fabrication, the collective concern about food quality in industrialized countries together with the need to protect the fertility of soils, in particular, and the environment, in general, constitute as a whole big challenge that worldwide agriculture has to face nowadays. Some soil bacteria harbor mechanisms to promote plant growth, which include phytostimulation, nutrient mobilization, biocontrol of plant pathogens and abiotic stresses protection. These bacteria have also been proved as promoters of vegetable food quality. Therefore, these microbes, also so-called Plant Probiotic Bacteria, applied as biofertilizers in crop production, constitute an environmental friendly manner to contribute to produce the food and feed needed to sustain world population. In this review, we summarize some of the best-known mechanisms of plant probiotic bacteria to improve plant growth and develop a more sustainable agriculture.

Comprehensive proteomic analysis of exoproteins expressed by ERIC I, II, III and IVPaenibacillus larvaegenotypes reveals a wide range of virulence factors

“…Many Paenibacillus species have been found to produce biomolecules of scientific interest with potential industrial use. Thus, the genus Paenibacillus has recently been the subject of scientific reviews [1][2][3]. In an attempt to generate additional data on the relatively poorly understood Paenibacillus taxon, detailed studies have been performed to identify and characterize Paenibacillus isolates to facilitate their utilization [4,5].…”

Principles for engineering microbial composition and ecosystem functioning

“…Delivery parameters (dose and frequency) may be considered as the last measure to increase invasion success. Probiotic development is a booming industry, where markets values for human and animal products alone are expected to exceed $50 billion by 2022 (31), while interest in plant probiotics is also increasing (32)(33)(34). A better understanding of fundamental principles that enhance the establishment and resilience of microbial inoculants has the potential to increase successful engineering of microbial communities for applications in human health, agriculture, bioenergy, and biotechnology.…”

Is the Application of Plant Probiotic Bacterial Consortia Always Beneficial for Plants? Exploring Synergies between Rhizobial and Non-Rhizobial Bacteria and Their Effects on Agro-Economically Valuable Crops

“…Thus, it is becoming crucial to achieve higher production through sustainable practices, avoiding or at least reducing the use of chemical fertilizers. The use of "greener" fertilizers, namely biofertilizers, mostly based on plant probiotic bacteria (PPB), represents a solution to most of the problems that result from the application of chemical fertilizers [12]. This heterogeneous group of beneficial bacteria has many features with positive effects on plants ( Figure 2).…”