Joan Mary Anderson 1932–20151

Published on Jan 1, 2019in Historical Records of Australian Science0.259
· DOI :10.1071/HR18017
Peter Horton80
Estimated H-index: 80
(University of Sheffield),
Wah Soon Chow45
Estimated H-index: 45
(ANU: Australian National University),
Christopher Barrett
Joan Mary (Jan) Anderson pioneered the investigation of the molecular organisation of the plant thylakoid membrane, making seminal discoveries that laid the foundations for the current understanding of photosynthesis. She grew up in Queenstown, New Zealand, obtaining a BSc and MSc at the University of Otago in Dunedin. After completing her PhD at the University of California, she embarked on a glittering career at the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and then Australian National University (ANU) in Canberra. Not only a gifted experimentalist, Jan was a creative thinker, not afraid to put her insightful and prophetic hypotheses into the public domain. Her many notable achievements include establishing the details and the physiological significance of lateral heterogeneity in the distribution of the two photosystems between stacked and unstacked thylakoid membranes and the dynamic changes in the extent of stacking that occur in response to changes in the light environment. Her investigations brought her into collaboration with prominent researchers throughout the world. Recognised with many honours as a leading scientist in Australia, international recognition included Lifetime Achievement Award from the International Society of Photosynthesis Research, and Honorary Fellowships at Universities in the UK and USA.
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Joan Mary Anderson, known to most people as Jan, was born on May 12, 1932 in Dunedin, New Zealand. She died on August 28, 2015 in Canberra, Australia. To celebrate her life, we present here a brief biography, some comments on her discoveries in photosynthesis during a career spanning more than half a century, and reminiscences from family and friends. We remember this wonderful person who had an unflagging curiosity, creative ability to think laterally, enthusiasm, passion, generosity and love o...
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The concept that the two photosystems of photosynthesis cooperate in series, immortalized in Hill and Bendall's Z scheme, was still a black box that defined neither the structural nor the molecular organization of the thylakoid membrane network into grana and stroma thylakoids. The differentiation of the continuous thylakoid membrane into stacked grana thylakoids interconnected by single stroma thylakoids is a morphological reflection of the non-random distribution of photosystem II/light-harves...
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#1Jan M. Anderson (ANU: Australian National University)H-Index: 56
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Long-term acclimation of shade versus sun plants modulates the composition, function and structural organization of the architecture of the thylakoid membrane network. Significantly, these changes in the macroscopic structural organization of shade and sun plant chloroplasts during long-term acclimation are also mimicked following rapid transitions in irradiance: reversible ultrastructural changes in the entire thylakoid membrane network increase the number of grana per chloroplast, but decrease...
45 CitationsSource
#1Eun-Ha Kim (ANU: Australian National University)H-Index: 5
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Chloroplasts in plants and some green algae contain a continuous thylakoid membrane system that is structurally differentiated into stacked granal membranes interconnected by unstacked thylakoids, the stromal lamellae. Experiments were conducted to test the hypothesis that the thermodynamic tendency to increase entropy in chloroplasts contributes to thylakoid stacking to form grana. We show that the addition of bovine serum albumin or dextran, two very different water-soluble macromolecules, to ...
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The striking structural architecture of thylakoid membranes of higher plant and some green algal chloroplasts that house the light harvesting and energy transducing functions of chloroplasts have evoked many hypotheses concerning the significance of grana. The differentiation of the thylakoids into grana and stroma membrane regions is a morphological reflection of the non-random distribution of the photosystems II and I between appressed and non-appressed membrane domains, which became known as ...
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We present a unifying mechanism for photoinhibition based on current obsevations from in vivo studies rather than from in vitro studies with isolated thylakoids or PS II membranes. In vitro studies have limited relevance for in vivo photoinhibition because very high light is used with photon exposures rarely encountered in nature, and most of the multiple, interacting, protective strategies of PS II regulation in living cells are not functional. It is now established that the photoinactivation o...
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Dynamic acclimation of the photosynthetic apparatus in response to environmental cues, particularly light quantity and quality, is a widely-observed and important phenomenon which contributes to the tolerance of plants against stress and helps to maintain, as far as possible, optimal photosynthetic efficiency and resource utilization. This mini-review represents a scrutiny of a number of possible photoreceptors (including the two photosystems acting as light sensors) and signal transducers that ...
358 CitationsSource
#1Jan M. Anderson (CRCs: Cooperative Research Centre)H-Index: 56
#2Eva-Mari Aro (UTU: University of Turku)H-Index: 76
We propose yet another function for the unique appressed thylakoids of grana stacks of higher plants, namely that during prolonged high light, the non-functional, photoinhibited PS II centres accumulate as D1 protein degradation is prevented and may act as dissipative conduits to protect other functional PS II centres. The need for this photoprotective mechanism to prevent high D1 protein turnover under excess photons in higher plants, especially those grown in shade, is due to conflicting deman...
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Abstract The turnover in vivo of the Photosystem II (PS II) reaction center D1 protein was investigated by [35S] methionine labeling of leaf discs of Brassica napus and subsequent analysis after thylakoid SDS-gel electrophoresis. The rate of D1 protein degradation was found to have a t1/2 of approximately 2 h, at an irradiance corresponding to the growth irradiance. The rate of D1 protein degradation was not increased further by prior photoinhibitory treatment which inactivated 40% of the PS II ...
107 Citations
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