The effect of sulphydryl compounds upon regenerative growth

Coldwater, K. B.

doi:10.1002/jez.1400650104

Cited by 11 publications

(4 citation statements)

References 18 publications

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“…Identification confirmed by Dr. R. G. Stone, University of Kansas City.2 This is the same as rate of regeneration as used byStone (1932) andColdwater (1933), although these authors did not calculate rate on a daily basis. From their published data on comparable worms the curve in Graph 1 may be duplicated.…”

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confidence: 81%

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Relations Between Metabolism and Morphogenesis During Regeneration in Tubifex Tubifex I

Anderson¹

1947

The Biological Bulletin

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confidence: 81%

“…The present study was undertaken to analyze further the relations between metabolism and morphogenesis from both viewpoints. In the regenerating annelid, measurements of morphogenesis may be made by counting the number of new segments produced (Stone, 1932 andColdwater, 1933). The formation of a new segment is not a simple event, but involves distinct stages.…”

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confidence: 99%

Relations Between Metabolism and Morphogenesis During Regeneration in Tubifex Tubifex I

Anderson¹

1947

The Biological Bulletin

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“…Observations on worms kept continuously tinder oxygen-free atmosphere results would be expected from the line of reasoning that in low oxygen tension there might be an increase in glutathione (cf. Barren, 1951) which, as found by Coldwater (1933), can increase rate of regeneration in Tubifex. One might then expect high oxygen tension to retard or inhibit regeneration.…”

Section: Regeneration In Low Oxygenmentioning

confidence: 88%

Relations Between Metabolism and Morphogenesis During Regeneration in Tubifex Tubifex. Ii

ANDERSON¹

1956

The Biological Bulletin

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Analysis of the relations between metabolism and morphogenesis requires that each set of processes be separated into component parts. Metabolism may be fractionated by means of agents of which the effects on particular enzyme systems are reasonably well known and the relation of the activity of such systems to morphogenesis may then be tested. In the annelid, Tubifc.r tubijcx, morphogenesis during posterior regeneration may be measured fractionally and "rate of localization," "rate of early differentiation," and "rate of later differentiation" expressed quantitatively (Collier, 1947). It was found that oxygen consumption and loss of weight by SUMMARY 1. Continuous exposure of regenerating Tubifc.r tubife.r, Mull, to cyanide has been found to affect "rate of localization" without affecting the ultimate extent or perfection of localization or of other morphogenetic processes.2. Continuous exposure to iodoacetate has been found to increase "rate of later differentiation" without having other effects on regeneration.

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“…the malic enzyme system. Coldwater (1933) used the nitroprusside reaction on Planar ia inaculata, now known as Dugesia tigrina, and found a high concentration of the SH group in regenerating tissue during the period of most active cellular division. Thus, it seems logical that PCMB could inhibit or alter normal planarian regeneration.…”

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confidence: 99%