An Introduction to the Principles of Plant Physiology. Revised Edition

Stiles, Walter

doi:10.1097/00010694-195212000-00011

Cited by 6 publications

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“…The possibility of incomplete oxidation, utilization of multi-substrates in different proportions, the involvement of more than one chain of reaction in the breakdown of substrates and the diversity of flnal products prevent an accurate interpretation of the observed R.Q. (Stiles & Cocking, 1969).…”

Section: Discussionmentioning

confidence: 99%

“…3) that half of the total respiratory metabolism may proceed via the glycolytic pathway, while the other half is via some other, non-glycolytic, pathway. It is possible that the alternative pathway may be the pentose phosphate pathway, as non-inhibition by sodium fluoride on respiratory metabolism has often been taken as an indication of the operation of this pathway (Stiles & Cocking, 1969).…”

Section: Discussionmentioning

confidence: 99%

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Respiratory Metabolism in Isolated Orchid Petal Cells

Hew

Yip

1987

New Phytologist

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SUMMARYA respiratory drift has been demonstrated in cells isolated from petals of Aranda flowers at different stages of development. Tight buds had a respiratory quotient of 0-5; this increased to 0-7 in the first flower and reached 10 in the mature flower. There appeared to be a non-glycolytic pathway contribution in addition to the EMP pathway in tight bud and newly opened flower stages. Carbohydrate metabolism in the mature flower proceeds predominantly via the EMP pathway. Cyanide-insensitive respiration was demonstrated in the tight bud. There was a shift towards cyanide-sensitive respiration as the flower developed.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Respiratory Metabolism in Isolated Orchid Petal Cells

Hew

Yip

1987

New Phytologist

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“…For plants, it is to be noted that although turgor in cells or simpler plants starts out as a simple osmotic mechanical pressure, one finds that it may involve a complex of pressure changes in special cells or organs, involving coupled actions (see Encyclopedia Britannica, 1975, Vol. 17, "Stereotyped Response," subheading "Plant Movements," subsubheading "Turgor Movements," based on Stiles & Cocking, 1969). A short note on the path toward extending fluid mechanics to more complex systems is presented in Appendix C.…”

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confidence: 99%

What Makes Sammy-Samantha and Other Mammals Run? A First Round of Closure

Iberall

2000

Ecological Psychology

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This article attempts to bring a first round of closure to an entire series of articles on command control . This contribution is of significance for the Gibsonian program (e.g., Iberall, 1995). This article attempts to complete a primitive physical foundation for that control process, for the basis of attention, action, and so-called purposeful or intentional movement or change in all complex systems, particularly mammalian and human. It assumes and neglects the very high-speed reflex actions that are dealt with by the autonomic nervous system. A discussion is included on the general character of the dynamic problem of command control in all of nature.One of my previous articles in this journal (Iberall, 1995) sketched much of the homeokinetic (HK) framework but did not pursue the topics that are needed to complete the brain modeling that the HK approach makes possible. This article focuses on the role of pressure in running an animal (or plant) system and connecting that pressure, whether it be actual physical pressure or a transformed social pressure to the conduct of human activities, recognizing the entire range of possible value systems as studied, say, in cultural anthropology.A brief summary of some of the views of the development of ideas and contributions to the physics of fluid systems at various hierarchical levels is given in Appendix A.Throughout my career, while working out detailed accounts of processes at many levels of the physical, biological, and industrial world, I maintained commitment to strictly physical accounts and, in fact, to even achieving a thoroughgoing high hierarchical level of a social physics. The physics that has served best to span ECOLOGICAL PSYCHOLOGY, 12(2), 109-139 Copyright © 2000, Lawrence Erlbaum Associates, Inc.Requests for reprints should be sent to Arthur S. Iberall, 5070 Avenida del Sol, Laguna Woods, CA 92653. E-mail: aiberall@uci.edu the gamut of the interests of those complex systems in a unified way is irreversible thermodynamics, its persistent alliance with statistical (almost invariably fluid) mechanics, and its energetic and atomistic material foundations. These conceptual tools have been used to develop such a physically grounded approach to complex systems, which also can be mathematically quantified but not promiscuously so. Because of the fundamental position of thermodynamics and hydrodynamics (via the Navier-Stokes equation set), these will be reviewed in a caricatured fashion, both in the text and in the appendixes, to make certain that readers can get the flavor of where these tools fit and what they can do. It is also worth noting that this approach emphasizes processes that function by moving a system toward an equilibrium state of sorts. This tends to be in contrast to approaches that emphasize "far from equilibrium" states such as those popularized by Prigogine (1978). A BASIC FLUID LEVEL: THE NAVIER-STOKES EQUATION SETThe basic bottom macroscopic level of a fluid system, for which the atomisms (atomistic-like units) are the individual molecules...

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“…The fact seems well established that the time course of cation uptake consists of at least two, easilv distinguished, time phases: 1) an initial non-metabolic process which is presumed by many to be an adsorption, adsorption-exchange, or exchange process (1, 24,26,28,30,32), and 2) a metabolic process, which is dependent on aerobic respiration and in which accumulation may proceed against a concentration gradient (2, 3,4,17,21,28,36). Phase one of the uptake, or loss, is essentially independent of temperature and aeration as shown by isotopic exchange of potassium (5); it corresponds in exchange to relative concentration of two ions as expected by the law of mass action (36); and it shows ion selectivity (13,22).…”

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confidence: 99%

“…The criticisms against the concept that an adsorptive process may play an important role in ion accumulation have been: 1) that uptake does not closely fit the expected curve (28,30); 2) that the concept implies that adsorption itself is the concentrating power, whereas protoplasmic activity seems required to supply the driving force (11,12,28); and 3) that the adsorption equation (Freundlich) is itself only an approximation (30) or too general (12) to be of aid in any explanation of ion accumulation. With regard to criticism 2 above, there appears to be no real confliet between the idea that adsorption may play an important role in ion accumulation and the fact that accumulation requires energy from oxidative metabolism.…”

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confidence: 99%