Programming Plants for Climate Resilience Through Symbiogenics

Rodriguez, Rusty J.; Baird, Alec; Cho, Sang; Gray, Zachery; Groover, Evan; Harto, R.; Hsieh, Marian; Malmberg, Katie E. L.; Manglona, Ryan; Mercer, Malia; Nasman, Natalie; Nicklason, Tia; Rienstra, Melissa; Inwegen, Alex Van; VanHooser, A.; Redman, Regina S.

doi:10.1007/978-3-030-10504-4_7

Cited by 5 publications

(5 citation statements)

References 19 publications

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“…EPHs are reported to have substantial impacts on plants by enabling plants to grow consistently faster and more uniformly whether the stress was drought, salt, cold or flooding (Cheng et al, 2019). Over the years, some EPHs, especially fungal endophytes, have been widely regarded to be an important tool that can mitigate plant stress through various cellular plant processes (Harman, 2011;Rodriguez et al, 2019).…”

Section: Alleviation Of Abiotic Stressesmentioning

confidence: 99%

Benefits to Plant Health and Productivity From Enhancing Plant Microbial Symbionts

et al. 2021

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Plants exist in close association with uncountable numbers of microorganisms around, on, and within them. Some of these endophytically colonize plant roots. The colonization of roots by certain symbiotic strains of plant-associated bacteria and fungi results in these plants performing better than plants whose roots are colonized by only the wild populations of microbes. We consider here crop plants whose roots are inhabited by introduced organisms, referring to them as Enhanced Plant Holobionts (EPHs). EPHs frequently exhibit resistance to specific plant diseases and pests (biotic stresses); resistance to abiotic stresses such as drought, cold, salinity, and flooding; enhanced nutrient acquisition and nutrient use efficiency; increased photosynthetic capability; and enhanced ability to maintain efficient internal cellular functioning. The microbes described here generate effects in part through their production of Symbiont-Associated Molecular Patterns (SAMPs) that interact with receptors in plant cell membranes. Such interaction results in the transduction of systemic signals that cause plant-wide changes in the plants’ gene expression and physiology. EPH effects arise not only from plant-microbe interactions, but also from microbe-microbe interactions like competition, mycoparasitism, and antibiotic production. When root and shoot growth are enhanced as a consequence of these root endophytes, this increases the yield from EPH plants. An additional benefit from growing larger root systems and having greater photosynthetic capability is greater sequestration of atmospheric CO2. This is transferred to roots where sequestered C, through exudation or root decomposition, becomes part of the total soil carbon, which reduces global warming potential in the atmosphere. Forming EPHs requires selection and introduction of appropriate strains of microorganisms, with EPH performance affected also by the delivery and management practices.

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Section: Alleviation Of Abiotic Stressesmentioning

confidence: 99%

Benefits to Plant Health and Productivity From Enhancing Plant Microbial Symbionts

et al. 2021

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“…Plants have co-evolved with diverse microbial communities [ 1 ]. Amongst them, the seed endophytes are the first microbes to colonize a successful plant [ 2 ], and given the fact that they can be transmitted vertically, it seems reasonable that seed endophytes actually hold the key to successful germination in marginal conditions [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

Community Profiling of Seed Endophytes from the Pb-Zn Hyperaccumulator Noccaea caerulescens and Their Plant Growth Promotion Potential

Langill

Jorissen

Oleńska

et al. 2023

Plants

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Endophytes within plants are known to be crucial for plant fitness, and while their presence and functions in many compartments have been studied in depth, the research on seed endophytes is still limited. This work aimed to characterize the seed endophytic and rhizospheric bacterial community of two Noccaea caerulescens Pb-Zn hyperaccumulator populations, growing on two heavy-metal-polluted sites in Belgium. Cultured representatives were evaluated for their potential to enhance seed germination and root length of the model species Arabidopsis thaliana. The results indicated that the community structure within the seed is conserved between the two locations, comprising mainly of Proteobacteria (seeds), and Actinobacteria in the bulk soil. Root length of A. thaliana was significantly increased when inoculated with Sphingomonas vulcanisoli. The results of this paper offer insights into the importance of the selection of the core seed endophytic microbiome and highlight the precarious symbiotic relationship they have with the plant and seed.

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“…Among these microbial communities, seed endophytes have emerged as a significant and intriguing group of microorganisms that inhabit the internal tissues of seeds [1]. Seed endophytes, encompassing bacteria, fungi, and other microbial taxa, have garnered considerable attention in recent years due to their potential contributions to plant health, growth promotion, and ecological adaptations [2][3][4]. Investigating seed endophytes and their interactions with plants provides a fascinating avenue to uncover the hidden microcosm within seeds and unravel the intricate relationships between plants and microorganisms.…”

Section: Introductionmentioning

confidence: 99%

Endophyte Community Changes in the Seeds of Eight Plant Species following Inoculation with a Multi-Endophytic Bacterial Consortium and an Individual Sphingomonas wittichii Strain Obtained from Noccaea caerulescens

Langill,

Wójcik,

Vangronsveld

et al. 2023

Plants

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Noccaea caerulescens, a hyperaccumulator plant species known for its metal tolerance and accumulation abilities, harbours a microbiome of interest within its seed. These seed-associated bacteria, often referred to as seed endophytes, play a unique role in seed germination and plant growth and health. This work aimed to address how inoculating seeds of eight different plant species—Medicago sativa (alfalfa), Zea mays (corn), Raphanus sativus (radish), Helianthus annus (sunflower), Cucurbita pepo subsp. pepo (squash), Beta vulgaris subsp. cicla (rainbow chard), Arabidopsis thaliana (thale cress), and Noccaea caerulescens (penny cress)—with a bacterial consortium made from the seed endophytes of N. caerulescens would affect the seed microbiome of each test plant species, as well as inoculation with a strain of the bacterium Sphingomonas wittichii, which was previously isolated from seeds of N. caerulescens. Additionally, we aimed to offer preliminary plant tests in order to determine the best seed treatment plan for future research. The results showed that inoculation with the bacterial consortium held the most potential for increasing plant size (p < 0.001) and increasing germination rate (p < 0.05). The plant that responded best to inoculation was N. caerulescens (penny cress), likely because the microbes being introduced into the seed were not foreign. This paper also offers the first insight into the seed endophytes of Beta vulgaris subsp. cicla, highlighting an abundance of Proteobacteria, Firmicutes, and Actinobacteriota.

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Programming Plants for Climate Resilience Through Symbiogenics

Cited by 5 publications

References 19 publications

Benefits to Plant Health and Productivity From Enhancing Plant Microbial Symbionts

Benefits to Plant Health and Productivity From Enhancing Plant Microbial Symbionts

Community Profiling of Seed Endophytes from the Pb-Zn Hyperaccumulator Noccaea caerulescens and Their Plant Growth Promotion Potential

Endophyte Community Changes in the Seeds of Eight Plant Species following Inoculation with a Multi-Endophytic Bacterial Consortium and an Individual Sphingomonas wittichii Strain Obtained from Noccaea caerulescens

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