Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Particle-based Imaging Tools Revealing Water Flows in Maize Nodal Vascular Plexus

Version 1 : Received: 7 May 2022 / Approved: 9 May 2022 / Online: 9 May 2022 (03:22:20 CEST)

How to cite: Zubairova, U.S.; Kravtsova, A.Y.; Romashchenko, A.V.; Pushkareva, A.A.; Doroshkov, A.V. Particle-based Imaging Tools Revealing Water Flows in Maize Nodal Vascular Plexus. Preprints 2022, 2022050096 (doi: 10.20944/preprints202205.0096.v1). Zubairova, U.S.; Kravtsova, A.Y.; Romashchenko, A.V.; Pushkareva, A.A.; Doroshkov, A.V. Particle-based Imaging Tools Revealing Water Flows in Maize Nodal Vascular Plexus. Preprints 2022, 2022050096 (doi: 10.20944/preprints202205.0096.v1).

Abstract

In plants, water flows are the major driving force behind the growth and play a crucial role in the life cycle. To study hydrodynamics, methods based on tracking small particles inside water flows occupy a special place. Due to these tools, it is possible to get information about the dynamics of the spatial distribution of the fluxes characteristics. In this paper, using contrast-enhanced MRI, we have shown that gadolinium chelate, used as an MRI contrast agent, marks the structural characteristics of xylem bundles of maize stem nodes and internodes. Supplementing MRI data, a high-precision visualization of xylem vessels by laser scanning microscopy was used to reveal structural and dimensional characteristics of the stem vascular system. In addition, we proposed the concept of using the prototype "Y-type xylem vascular bundles" as a model of the elementary connection of vessels within the vascular system. A Reynolds number can match the microchannel model with the real xylem vessels.

Keywords

plant 3D imaging; Zea mays L.; vascular system; internodes; nodal plexus; contrast-enhanced magnetic resonance imaging; laser scanning microscopy; lab-on-a-chip; particle image velocimetry; systems biology

Subject

BIOLOGY, Plant Sciences

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