WebbDrought impacts on phloem transport have attracted attention only recently, despite the well-established, and empirically verified theories on drought impacts on water … WebbDespite the crucial role of carbon transport in whole plant physiology and its impact on plant-environment interactions and ecosystem function, relatively little research has tried to examine how phloem physiology impacts plant ecology. In this review, we highlight several areas of active research w …
Plant-PET to investigate phloem vulnerability to drought in …
Webb20 dec. 2024 · This hinders the osmotic regulation in phloem and thus limits water exchange between phloem and xylem. Smaller phloem conduit diameter is caused by restricted cell expansion due to turgor reduction usually under severe drought (Hsiao, 1973), thereby reducing phloem conductivity. Recovery of C transport depends on the … Webb28 mars 2024 · Drought is an adverse environmental factor for plant growth and development. Aquaporins play an influential role in water uptake and transport in plants. However, the function of PagPIP2;10 in response to drought stress remains largely unclear. Here, we report that the plasma membrane intrinsic protein PagPIP2;10 was in the cell … the camp pegões
Phloem transport and drought - PubMed
Webb1 apr. 2014 · It is concluded that prolonged drought affected phloem transport capacity through a change in anatomy and that the slowdown of phloems transport under … WebbSeveral sink tissues possess plasmodesmata with a high-molecular-size exclusion limit, potentially allowing the nonspecific escape of a wide range of small (<50-kDa) macromolecules from the phloem. Larger macromolecules and systemic mRNAs appear to require facilitated transport through sink plasmodesmata. Webb1 juni 2024 · In the following, we will discuss whether the relatively high resistance of gymnosperm SEs can be reconciled with the observed transport rates according to the Münch mechanism of phloem transport or if alternative mechanisms, such as a relay [10, 11], would provide a better explanation.Furthermore, the related topics of phloem loading … tatters of longton