Publications of NIPGR Scientists

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Author: search.filters.author.Giri, JitenderSubject: search.filters.subject.rhizosphere

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    Soil carbon sequestration by root exudates
    (Elsevier B.V., 2022) Panchal, Poonam; Preece, Catherine; Peñuelas, Josep; Giri, Jitender
    Root exudates are well-known ‘labile’ sources of soil carbon that can prime microbial activity. Recent investigations suggest that the stability of labile carbon inputs in soil mostly depends upon the physical, chemical, and biological properties of the surroundings. Here, we propose that, in some ecosystems, such as forests and grasslands, root exudates can function as a source of soil organic carbon (SOC) that can be stabilized through various mechanisms leading to long-term sequestration. Increasing soil carbon sequestration is important for capturing atmospheric CO2 and combating climate change issues. Thus, there is an urgent need to preserve existing ecosystems and to adopt strategies such as afforestation, reforestation, and establishment of artificial grasslands to foster carbon sequestration through higher root exudate inputs in the soil.
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    Significance of root hairs in developing stress-resilient plants for sustainable crop production
    (John Wiley & Sons, 2022) Kohli, Pawandeep Singh; Maurya, Kanika; Thakur, Jitendra K.; Bhosale, Rahul; Giri, Jitender
    Root hairs represent a beneficial agronomic trait to potentially reduce fertiliser and irrigation inputs. Over the past decades, research in the plant model Arabidopsis thaliana has provided insights about root hair development, the underlying genetic framework, and the integration of environmental cues within this framework. Recent years have seen a paradigm shift, where studies are now highlighting conservation and diversification of root hair developmental programs in other plant species and the agronomic relevance of root hairs in a wider ecological context. In this review, we specifically discuss the molecular evolution of RSL (RHD Six-Like) pathway that controls root hair development and growth in land plants. We also discuss how root hairs contribute to plant performance as an active physiological rooting structure by performing resource acquisition, providing anchorage, and constructing the rhizosphere with desirable physical, chemical, and biological properties. Finally, we outline future research directions that can help achieve the potential of root hairs in developing sustainable agroecosystems.