2009
DOI: 10.1016/j.abb.2008.11.010
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A tomato ER-type Ca2+-ATPase, LCA1, has a low thapsigargin-sensitivity and can transport manganese

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Cited by 23 publications
(19 citation statements)
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“…The finding that M535L protects K616 from excess Mn 2+ suggests that the viral protein transports manganese in addition to calcium. This behaviour differs from other IIB type Ca 2+ pumps and resembles IIA Ca 2+ pumps ECA1 or ECA3 from A. thaliana or LCA1 from tomato that confer tolerance to Mn 2+ (Wu et al , 2002; Mills et al , 2008; Johnson et al , 2009). However, in contrast to ECA1 and ECA3, M535L does not reverse the toxic effect of Zn 2+ (results not shown).…”
Section: Resultsmentioning
confidence: 71%
See 1 more Smart Citation
“…The finding that M535L protects K616 from excess Mn 2+ suggests that the viral protein transports manganese in addition to calcium. This behaviour differs from other IIB type Ca 2+ pumps and resembles IIA Ca 2+ pumps ECA1 or ECA3 from A. thaliana or LCA1 from tomato that confer tolerance to Mn 2+ (Wu et al , 2002; Mills et al , 2008; Johnson et al , 2009). However, in contrast to ECA1 and ECA3, M535L does not reverse the toxic effect of Zn 2+ (results not shown).…”
Section: Resultsmentioning
confidence: 71%
“…In plants that lack SPCA pumps, only Ca 2+ -ATPases belonging to type IIA subgroup, such as ECA1 and ECA3 from A. thaliana and LCA1 from tomato, function as Ca 2+ /Mn 2+ pumps (Wu et al , 2002; Mills et al , 2008; Li et al , 2008; Johnson et al , 2009). The best characterized Ca 2+ /Mn 2+ -transporting pump is PMR1, a yeast protein localized in the Golgi apparatus.…”
Section: Discussionmentioning
confidence: 99%
“…Plant P-type Ca 2+ -ATPases are divided into two groups, 2A and 2B, whereby the first one does not contain an N-terminal autoinhibitory domain (Johnson et al, 2009). Those P 2A -type Ca 2+ -ATPases have also a role in Mn 2+ transport.…”
Section: Manganese Transport Proteins In Plantsmentioning
confidence: 99%
“…A tomato ECA, LCA1 (Lycopersicon esculentum Ca 2+ -ATPases), shows high amino acid sequence similarity to ECA2 (77%) in comparison to ECA1 and ECA3 (Pittman et al, 1999). LCA1 can also complement the pmr1 yeast mutant, suggesting that it is also an endocompartment-localized Mn 2+ pump (Johnson et al, 2009). Additional study of ECAs in A. thaliana , rice and other crop species is required to clarify their role in Mn homeostasis in planta .…”
Section: Manganese Transportersmentioning
confidence: 99%