scholarly journals Five Nodulation Mutants of White Sweetclover (Melilotus alba Desr.) Exhibit Distinct Phenotypes Blocked at Root Hair Curling, Infection Thread Development, and Nodule Organogenesis

1993 ◽  
Vol 103 (3) ◽  
pp. 925-932 ◽  
Author(s):  
L. J. Utrup ◽  
A. J. Cary ◽  
J. H. Norris
Keyword(s):  
Root Hair ◽  
Infection Thread ◽  
Melilotus Alba ◽  
Nodulation Mutants ◽  
Hair Curling ◽  
Root Hair Curling

scholarly journals Host Specificity In The Root Hair "Curling Factor" of Rhizobium Spp.

1969 ◽  
Vol 22 (2) ◽  
pp. 413 ◽  
Author(s):  
Phaik Y Yao ◽  
JM Vincent
Keyword(s):  
Medicago Sativa ◽  
Host Specificity ◽  
Root Hair ◽  
Root Zone ◽  
Root Hairs ◽  
Degree Of Deformation ◽  
Medicago Sativa L ◽  
Rhizobium Spp ◽  
Hair Curling ◽  
Root Hair Curling

Thirty-eight cultures of rhizobia and 10 non-rhizobia growing in the root zone of clover (Trifolium glomeratum L.), 5 rhizobia and 3 non-rhizobia in that of lucerne (Medicago sativa L.), and 8 rhizobia in that ofSiratro (Phaseolus atropurpureus DO.) revealed a specific relationship between bacteria and host that determined the kind and degree of deformation of the root hairs.

Rhizobium nodulation genes involved in root hair curling (Hac) are functionally conserved

1985 ◽  
Vol 4 (2-3) ◽  
pp. 147-160 ◽  
Author(s):  
M. A. Djordjevic ◽  
P. R. Schofield ◽  
R. W. Ridge ◽  
N. A. Morrison ◽  
B. J. Bassam ◽  
...  
Keyword(s):  
Root Hair ◽  
Nodulation Genes ◽  
Hair Curling ◽  
Root Hair Curling ◽  
Rhizobium Nodulation

Studies on the Root Hair "Curling Factor" of Rhizobium

1970 ◽  
Vol 131 (4) ◽  
pp. 337-342 ◽  
Author(s):  
D. H. Hubbell
Keyword(s):  
Root Hair ◽  
Hair Curling ◽  
Root Hair Curling

Research Note: Boron deficiency affects early infection events in the pea-Rhizobium symbiotic interaction

2001 ◽  
Vol 28 (8) ◽  
pp. 819 ◽  
Author(s):  
Miguel Redondo-Nieto ◽  
Rafael Rivilla ◽  
Abdelaziz El-Hamdaoui ◽  
Ildefonso Bonilla ◽  
Luis Bolaños
Keyword(s):  
Gene Expression ◽  
Pisum Sativum ◽  
Cell Invasion ◽  
Root Hair ◽  
Boron Deficiency ◽  
Symbiotic Interaction ◽  
Pisum Sativum L ◽  
Plant Exudates ◽  
Hair Curling ◽  
Root Hair Curling

The effects of the deprivation of boron (B) on Rhizobium–legume signaling and preinfection events have been investigated in pea (Pisum sativum L. cv. Argona). The capacity of root exudates to induce the activity of nodulation genes was modulated by B nutrition in the host plant. Exudates derived from B-deficient pea plants led to a low level of nod-gene expression that could be correlated with poor root hair curling. However, inoculation of B-deficient plants with bacteria grown in the presence of the nod-gene inducing hesperetin, restored root hair curling. The attachment of bacteria to roots was also diminished in plants grown in the absence of the micronutrient, and it was not recovered by hesperetin. Both phenomena provoked a reduction in nodulation of more than 50%. Furthermore, infection thread development was arrested at very early stages, and cell invasion by endocytosis was precluded, leading to almost empty of bacteria B-deficient nodules.

The Rhizobium trap: root hair curling in root–nodule symbiosis

1992 ◽  
pp. 267-284 ◽  
Author(s):  
J. W. Kijne ◽  
R. Bakhuizen ◽  
A. A. N. Van Brussel ◽  
H. C. J. Canter Cremers ◽  
C. L. Diaz ◽  
...  
Keyword(s):  
Root Hair ◽  
Root Nodule ◽  
Root Nodule Symbiosis ◽  
Hair Curling ◽  
Root Hair Curling ◽  
Nodule Symbiosis
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