nutrient translocation
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2021 ◽  
Author(s):  
Richard Rabideau‐Childers ◽  
Katherine I. W. Angier ◽  
Brendan Z. M. Dean ◽  
Meghan Blumstein ◽  
Walker S. Darling ◽  
...  


Author(s):  
Jianwei Zhao ◽  
Weijie Mi ◽  
Ziyan Lei ◽  
Yiyong Zhou ◽  
Duanwei Zhu


2020 ◽  
pp. 373-393
Author(s):  
John C. Ferguson


Echinodermata ◽  
2020 ◽  
pp. 477-480
Author(s):  
Frits B. Beijnink ◽  
Peter A. Voogt




2019 ◽  
Vol 39 (5) ◽  
Author(s):  
吕中诚 LÜ Zhongcheng ◽  
康文星 KANG Wenxing ◽  
黄志宏 HUANG Zhihong ◽  
赵仲辉 ZHAO Zhonghui ◽  
邓湘雯 DENG Xiangwen


Botany ◽  
2014 ◽  
Vol 92 (2) ◽  
pp. 129-133 ◽  
Author(s):  
Bingyun Wu

Ectomycorrhizal (ECM) fungi receive photosynthetically fixed carbon from the host tree and, in return, supply nutrients such as phosphorus (P) and nitrogen (N) from the soil. An ECM symbiosis system in a two-dimensional, soil-free rhizobox was developed to visualize nutrient translocation during ECM symbioses using a digital, time-course autoradiographic technique with imaging plates. Several studies using 14C and 33P radioisotope tracing experiments are discussed to demonstrate the translocation of 33P-phosphoric acid and photosynthetically fixed carbon between fungi and host trees and between mycelia via mycelia anastomosis. Additionally, novel techniques that can visualize nutrient translocation during mycorrhizal symbioses are discussed.





2012 ◽  
Vol 11 (11) ◽  
pp. 1345-1352 ◽  
Author(s):  
Anna Simonin ◽  
Javier Palma-Guerrero ◽  
Mark Fricker ◽  
N. Louise Glass

ABSTRACTThe evolution of multicellularity has occurred in diverse lineages and in multiple ways among eukaryotic species. For plants and fungi, multicellular forms are derived from ancestors that failed to separate following cell division, thus retaining cytoplasmic continuity between the daughter cells. In networked organisms, such as filamentous fungi, cytoplasmic continuity facilitates the long-distance transport of resources without the elaboration of a separate vascular system. Nutrient translocation in fungi is essential for nutrient cycling in ecosystems, mycorrhizal symbioses, virulence, and substrate utilization. It has been proposed that an interconnected mycelial network influences resource translocation, but the theory has not been empirically tested. Here we show, by using mutants that disrupt network formation inNeurospora crassa(Δsomutant, no fusion; ΔPrm-1mutant, ∼50% fusion), that the translocation of labeled nutrients is adversely affected in homogeneous environments and is even more severely impacted in heterogeneous environments. We also show that the ability to share resources and genetic exchange between colonies (via hyphal fusion) is very limited in mature colonies, in contrast to in young colonies and germlings that readily share nutrients and genetic resources. The differences in genetic/resource sharing between young and mature colonies were associated with variations in colony architecture (hyphal differentiation/diameters, branching patterns, and angles). Thus, the ability to share resources and genetic material between colonies is developmentally regulated and is a function of the age of a colony. This study highlights the necessity of hyphal fusion for efficient nutrient translocation within anN. crassacolony but also shows that establishedN. crassacolonies do not share resources in a significant manner.



2011 ◽  
Vol 51 ◽  
pp. 35-41 ◽  
Author(s):  
N.I. Chigineva ◽  
A.V. Aleksandrova ◽  
S. Marhan ◽  
E. Kandeler ◽  
A.V. Tiunov


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